Year	% change from 1990
1991	4.46258716446055
1992	16.6689432985397
1993	13.531189301385
1994	11.9175015242328
1995	12.6329747360495
1996	16.1218853177234
1997	15.7445752304673
1998	15.8798404802916
1999	3.65699264703432
2000	3.89370683422676
2001	9.71444372998924
2002	11.94182261595
2003	10.6161565345443
2004	11.9766384253259
2005	11.4843861922832
2006	12.3229641080656
2007	12.0251140259403
2008	12.1174009082095
2009	15.8481897444953
2010	12.0507677802173
2011	13.1712754580195
2012	14.2917831358216