Year	% change from 1990
1991	6.89895372318343
1992	36.1742997262934
1993	34.0986328743412
1994	13.163949536669
1995	43.9872504802179
1996	4.28431710560571
1997	19.3212921202057
1998	36.0279476228337
1999	41.3085848173765
2000	38.4307958599241
2001	42.9958557024549
2002	43.6861028827143
2003	46.2106766673937
2004	49.761122408055
2005	53.9462296742962
2006	57.9293991823984
2007	62.1912005797795
2008	65.9660997868044
2009	71.8898418975113
2010	81.3239236436045
2011	83.1371628800405
2012	84.9504021164766