"","years","acorn_category"
"1",1983,"N"
"2",1984,"A"
"3",1985,"N"
"4",1986,"N"
"5",1987,"A"
"6",1988,"N"
"7",1989,"A"
"8",1990,"N"
"9",1991,"N"
"10",1992,"A"
"11",1993,"N"
"12",1994,"A"
"13",1995,"N"
"14",1996,"N"
"15",1997,"N"
"16",1998,"A"
"17",1999,"N"
"18",2000,"N"
"19",2001,"A"
"20",2002,"N"
"21",2003,"A"
"22",2004,"N"
"23",2005,"N"
"24",2006,"A"
"25",2007,"A"
"26",2008,"N"
"27",2009,"N"
"28",2010,"N"
"29",2011,"N"
"30",2012,"N"
"31",2013,"N"
"32",2014,"A"
"33",2015,"N"
"34",2016,"A"