Year	% change from 1990
1991	-0.00132831686798784
1992	1.51895993562707
1993	1.73634613383551
1994	3.62577072370049
1995	7.73993822466275
1996	9.71036567655732
1997	10.5802174897485
1998	1.91616219565047
1999	9.17288747263494
2000	7.34891820232619
2001	12.6689953700383
2002	13.5048523738783
2003	15.5661333846707
2004	16.3111265692923
2005	19.2499443732782
2006	22.5875492621661
2007	27.1030776099477
2008	29.9907642909531
2009	34.1165261829929
2010	40.0963674568397
2011	42.4593661237747
2012	44.6709619559371
