"","Year_month","O2.Value"
"1",1989-05-01,-122.14
"2",1989-06-01,-74.72
"3",1989-08-01,-17.99
"4",1989-09-01,-26.84
"5",1989-11-01,-210.43
"6",1989-12-01,-219.06
"7",1990-01-01,-151.01
"8",1990-12-01,-252.86
"9",1991-01-01,-206.54
"10",1991-02-01,-166.81
"11",1991-03-01,-225
"12",1991-04-01,-962.51
"13",1991-05-01,-1071.1
"14",1991-06-01,-679.79
"15",1991-07-01,-736.12
"16",1991-08-01,-543.49
"17",1991-09-01,-429.77
"18",1991-10-01,-783.4
"19",1991-11-01,-937.31
"20",1991-12-01,-1004.22
"21",1992-01-01,-1262.62
"22",1992-02-01,-938.88
"23",1992-03-01,-1373.28
"24",1992-04-01,-1145.66
"25",1992-05-01,-1299.66
"26",1992-06-01,-924.92
"27",1992-07-01,-745.64
"28",1992-08-01,-860.77
"29",1992-09-01,-546.69
"30",1992-10-01,-967.49
"31",1992-11-01,-877.91
"32",1992-12-01,-1432.22
"33",1993-01-01,-972.21
"34",1993-02-01,-966.36
"35",1993-03-01,-1181.75
"36",1993-04-01,-1821.65
"37",1993-05-01,-1839.14
"38",1993-06-01,-1595.82
"39",1993-07-01,-1486.87
"40",1993-08-01,-1596.82
"41",1993-09-01,-1375.96
"42",1993-10-01,-2049.51
"43",1993-11-01,-1809.48
"44",1993-12-01,-1820.31
"45",1994-01-01,-2298.07
"46",1994-02-01,-1831.2
"47",1994-03-01,-2282.18
"48",1994-04-01,-2674.39
"49",1994-05-01,-2308.58
"50",1994-06-01,-1671.96
"51",1994-07-01,-1922.61
"52",1994-08-01,-1913.78
"53",1994-09-01,-2271.55
"54",1994-10-01,-2539.71
"55",1994-11-01,-2459.51
"56",1994-12-01,-2388.95
"57",1995-01-01,-2329.19
"58",1995-02-01,-2142.67
"59",1995-03-01,-2429.73
"60",1995-04-01,-2668.94
"61",1995-05-01,-2665.41
"62",1995-06-01,-2744.09
"63",1995-07-01,-1993.92
"64",1995-08-01,-2774.34
"65",1995-09-01,-2821.7
"66",1995-10-01,-2476
"67",1995-11-01,-2660.44
"68",1995-12-01,-1813.02
"69",1996-01-01,-3173.4
"70",1996-02-01,-3421.43
"71",1996-03-01,-2842.11
"72",1996-04-01,-3121.89
"73",1996-05-01,-3974.06
"74",1996-06-01,-2515.86
"75",1996-07-01,-2489.62
"76",1996-08-01,-3037.25
"77",1996-09-01,-3621.54
"78",1996-10-01,-3765.21
"79",1996-11-01,-3360.44
"80",1996-12-01,-2913.15
"81",1997-01-01,-3977.65
"82",1997-02-01,-3233.01
"83",1997-03-01,-3968.88
"84",1997-04-01,-3287.96
"85",1997-05-01,-4130.97
"86",1997-06-01,-3451.29
"87",1997-07-01,-3108.09
"88",1997-08-01,-2959.8
"89",1997-09-01,-3478.69
"90",1997-10-01,-3173.24
"91",1997-11-01,-3153.53
"92",1997-12-01,-3453.14
"93",1998-01-01,-3136.32
"94",1998-02-01,-3574.56
"95",1998-03-01,-4516.47
"96",1998-04-01,-3949.67
"97",1998-05-01,-3936.78
"98",1998-06-01,-4157.77
"99",1998-07-01,-3532.27
"100",1998-08-01,-3282.3
"101",1998-09-01,-3141.8
"102",1998-10-01,-4060.07
"103",1998-11-01,-3943.7
"104",1998-12-01,-3080.89
"105",1999-01-01,-4000.25
"106",1999-02-01,-3642.09
"107",1999-03-01,-5781.33
"108",1999-04-01,-4861.66
"109",1999-05-01,-4124.27
"110",1999-06-01,-4252.18
"111",1999-07-01,-3836.29
"112",1999-08-01,-3946.71
"113",1999-09-01,-4128.23
"114",1999-10-01,-3613.9
"115",1999-11-01,-4182.52
"116",1999-12-01,-4249.35
"117",2000-01-01,-4101.02
"118",2000-02-01,-5351.37
"119",2000-03-01,-5894.42
"120",2000-04-01,-4784.19
"121",2000-05-01,-5632.98
"122",2000-06-01,-4913.84
"123",2000-07-01,-5134.71
"124",2000-08-01,-5112.97
"125",2000-09-01,-4974.88
"126",2000-10-01,-5230.04
"127",2000-11-01,-4381.34
"128",2000-12-01,-4922.86
"129",2001-01-01,-4317.63
"130",2001-02-01,-5242.34
"131",2001-03-01,-5644.23
"132",2001-04-01,-5184.49
"133",2001-05-01,-5801.1
"134",2001-06-01,-4939.02
"135",2001-07-01,-4965.86
"136",2001-08-01,-4608.62
"137",2001-09-01,-4250.67
"138",2001-10-01,-5691.88
"139",2001-11-01,-4908.7
"140",2001-12-01,-5013.73
"141",2002-01-01,-4059.75
"142",2002-02-01,-4613.68
"143",2002-03-01,-5660.63
"144",2002-04-01,-5753.45
"145",2002-05-01,-6052.1
"146",2002-06-01,-6232.37
"147",2002-07-01,-5435.12
"148",2002-08-01,-4395.28
"149",2002-09-01,-4889.55
"150",2002-10-01,-6248.28
"151",2002-11-01,-4313.24
"152",2002-12-01,-4989.15
"153",2003-01-01,-5205.54
"154",2003-02-01,-5837.89
"155",2003-03-01,-5519.7
"156",2003-04-01,-6600.43
"157",2003-05-01,-5618.15
"158",2003-06-01,-5780.02
"159",2003-07-01,-6414.15
"160",2003-08-01,-5048.34
"161",2003-09-01,-5025.06
"162",2003-10-01,-6213.31
"163",2003-11-01,-4583.73
"164",2003-12-01,-6362.06
"165",2004-01-01,-5067.08
"166",2004-02-01,-6131.94
"167",2004-03-01,-6501.52
"168",2004-04-01,-5980
"169",2004-05-01,-7017.41
"170",2004-06-01,-7927.72
"171",2004-07-01,-5598.04
"172",2004-08-01,-5735.88
"173",2004-09-01,-5320.49
"174",2004-10-01,-5168.27
"175",2004-11-01,-6324.22
"176",2004-12-01,-7274.39
"177",2005-01-01,-6287.87
"178",2005-02-01,-6763.23
"179",2005-03-01,-5860.86
"180",2005-04-01,-6380.49
"181",2005-05-01,-6663.46
"182",2005-06-01,-6559.16
"183",2005-07-01,-5876.7
"184",2005-08-01,-5805.38
"185",2005-09-01,-5898.47
"186",2005-10-01,-6447.52
"187",2005-11-01,-6257.79
"188",2005-12-01,-4431.6
"189",2006-01-01,-4830.45
"190",2006-02-01,-5230.07
"191",2006-03-01,-8148.75
"192",2006-04-01,-6202.54
"193",2006-05-01,-7071.09
"194",2006-06-01,-7223.44
"195",2006-07-01,-7081.75
"196",2006-08-01,-6951.3
"197",2006-09-01,-5460.08
"198",2006-10-01,-7188.17
"199",2006-11-01,-7753.6
"200",2006-12-01,-6690.46
"201",2007-01-01,-7911.85
"202",2007-02-01,-8211.59
"203",2007-03-01,-6556.18
"204",2007-04-01,-6164.73
"205",2007-05-01,-9099.43
"206",2007-06-01,-7629.85
"207",2007-07-01,-7412.15
"208",2007-08-01,-8517.88
"209",2007-09-01,-6959.5
"210",2007-10-01,-7286.57
"211",2007-11-01,-7727.17
"212",2007-12-01,-6671.85
"213",2008-01-01,-7825.41
"214",2008-02-01,-5466.36
"215",2008-03-01,-6572.54
"216",2008-04-01,-8295.21
"217",2008-05-01,-10058.54
"218",2008-06-01,-8138.12
"219",2008-07-01,-10019.3
"220",2008-08-01,-8605.75
"221",2008-09-01,-7244.1
"222",2008-10-01,-8912.96
"223",2008-11-01,-8108.77
"224",2008-12-01,-9623.9
"225",2009-01-01,-7502.92
"226",2009-02-01,-8107.69
"227",2009-03-01,-8031.6
"228",2009-04-01,-11376.62
"229",2009-05-01,-10736.06
"230",2009-06-01,-9762.27
"231",2009-07-01,-9487.62
"232",2009-08-01,-10641.22
"233",2009-09-01,-9382.43
"234",2009-10-01,-7847.48
"235",2009-11-01,-10332.88
"236",2009-12-01,-9954.91
"237",2010-01-01,-7192.8
"238",2010-02-01,-9637.26
"239",2010-03-01,-13431.11
"240",2010-04-01,-10920.61
"241",2010-05-01,-9681.3
"242",2010-06-01,-9871.32
"243",2010-07-01,-9118.91
"244",2010-08-01,-9523.14
"245",2010-09-01,-10017.42
"246",2010-10-01,-8400.06
"247",2010-11-01,-9138.03
"248",2010-12-01,-7679.97
"249",2011-01-01,-8251.24
"250",2011-02-01,-7213.95
"251",2011-03-01,-11373.29
"252",2011-04-01,-7511.16
"253",2011-05-01,-10443.47
"254",2011-06-01,-10778.57
"255",2011-07-01,-9536.5
"256",2011-08-01,-9349.8
"257",2011-09-01,-9514.83
"258",2011-10-01,-10738.09
"259",2011-11-01,-9000.81
"260",2011-12-01,-10106.09
"261",2012-01-01,-11674.21
"262",2012-02-01,-12326.72
"263",2012-03-01,-12545.06
"264",2012-04-01,-9981.06
"265",2012-05-01,-11013.36
"266",2012-06-01,-11131.34
"267",2012-07-01,-11047.34
"268",2012-08-01,-10335.75
"269",2012-09-01,-10583.74
"270",2012-10-01,-12221.41
"271",2012-11-01,-10358.06
"272",2012-12-01,-8968.09
"273",2013-01-01,-12289.69
"274",2013-02-01,-11204.14
"275",2013-03-01,-11215.42
"276",2013-04-01,-12696.41
"277",2013-05-01,-13117.03
"278",2013-06-01,-10802.33
"279",2013-07-01,-13228.5
"280",2013-08-01,-13007.43
"281",2013-09-01,-12054.27
"282",2013-10-01,-12346.9
"283",2013-11-01,-12048.71
"284",2013-12-01,-13872.4
"285",2014-01-01,-13409.36
"286",2014-02-01,-13598.29
"287",2014-03-01,-13189.84
"288",2014-04-01,-13227.91
"289",2014-05-01,-13689.11
"290",2014-06-01,-14104.17
"291",2014-07-01,-14197.09
"292",2014-08-01,-10856.58
"293",2014-09-01,-12628.63
"294",2014-10-01,-12312.6
"295",2014-11-01,-11456.51
"296",2014-12-01,-14468.23
"297",2015-01-01,-13426.5
"298",2015-02-01,-13466.33
"299",2015-03-01,-12852.94
"300",2015-04-01,-15576.47
"301",2015-05-01,-13781.3
"302",2015-06-01,-9945.86
"303",2015-07-01,-12619.61
"304",2015-08-01,-9797.8
"305",2015-09-01,-12609.96
"306",2015-10-01,-12336.33
"307",2015-11-01,-14308.3
"308",2015-12-01,-14440.27
"309",2016-01-01,-12688.57
"310",2016-02-01,-12239.58
"311",2016-03-01,-16227.33
"312",2016-04-01,-14522.14
"313",2016-05-01,-14393.21
"314",2016-06-01,-13561.68
"315",2016-07-01,-13267.1
"316",2016-08-01,-14430.52
"317",2016-09-01,-12597.19
"318",2016-10-01,-8675.78
"319",2016-11-01,-12495.37
"320",2016-12-01,-7659.12
"321",2017-01-01,-5277.79