Year	% change from 1990
1991	7.21986145352336
1992	16.420351961372
1993	1.41873777050778
1994	10.1258435582219
1995	4.08359828589535
1996	1.84223294680992
1997	46.7019923078363
1998	15.9126637192123
1999	8.40049303045087
2000	3.24996401856319
2001	1.89077625835896
2002	7.84321457408628
2003	1.64470326730577
2004	10.3647110322439
2005	15.512689631583
2006	31.8413297053013
2007	23.4552824137013
2008	15.2741136282888
2009	22.2980152515235
2010	18.2422137607376
2011	19.7059187090791
2012	21.1696236574207