Year	% change from 1990
1991	-0.943036415246556
1992	10.0868444057419
1993	17.6503744806381
1994	24.0821933528421
1995	20.7792032456114
1996	39.9366133719459
1997	56.0070474589657
1998	66.6140132376121
1999	72.472719785876
2000	20.6715337336344
2001	24.9074345966781
2002	10.3885890568623
2003	7.16289148330784
2004	21.1251632762584
2005	22.204558571877
2006	19.054128400112
2007	23.0179865463738
2008	27.6727521879862
2009	24.2398161180247
2010	24.3734748225478
2011	25.6172095707733
2012	26.8609443189988
