Year,Exploit_index
1985,0.2173
1986,0.1967
1987,0.2439
1988,0.1463
1989,0.1537
1990,0.2241
1991,0.1897
1992,0.1827
1993,0.1537
1994,0.1967
1995,0.3518
1996,0.4653
1997,0.5708
1998,0.4653
1999,0.3236
2000,0.3518
2001,0.2241
2002,0.0681
2003,0.1082
2004,0.1755
2005,0.1388
2006,0.0262