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1921.0;-0.17792707824707032
1922.0;-0.2078515625
1923.0;-0.21198074340820314
1924.0;-0.23300428771972656
1925.0;-0.207490478515625
1926.0;-0.21569902038574218
1927.0;-0.1823685302734375
1928.0;-0.21113406372070312
1929.0;-0.1862325134277344
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1931.0;-0.22082997131347656
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1938.0;-0.13653985595703125
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1983.0;0.031401939392089843
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1992.0;0.013261459350585938
1993.0;0.008345993041992187
1994.0;-0.014081119537353515
1995.0;0.03245610809326172
1996.0;0.007977164745330811
1997.0;0.030147911071777344
1998.0;0.03960381317138672
1999.0;0.018628501892089845
2000.0;0.0
2001.0;-0.010975696563720704
2002.0;0.005536392211914063
2003.0;0.027866905212402343
2004.0;0.018163253784179687
2005.0;0.05061864471435547
2006.0;0.02426063537597656
2007.0;0.0182197265625
2008.0;0.030681312561035158
2009.0;0.04681890106201172
2010.0;0.06577046966552734
2011.0;0.04260655975341797
2012.0;0.07478272247314453
2013.0;0.05189191436767578
2014.0;0.09196587371826172
2015.0;0.0952381362915039
2016.0;0.12041860198974609
2017.0;0.11312027740478516
2018.0;0.09733589935302735
2019.0;0.14151947021484376
2020.0;0.12558878326416015
