Year	% change from 1990
1991	7.69930466980282
1992	9.54711559776051
1993	2.14453757824586
1994	8.5834104582758
1995	3.32357596407107
1996	3.28728069334567
1997	42.9183656156223
1998	11.0012029363858
1999	7.85114925219614
2000	6.23842471542417
2001	10.454728263447
2002	16.6765970927457
2003	12.9657855692039
2004	18.5465431244345
2005	21.9121006480828
2006	36.883473638988
2007	26.678136554111
2008	25.9745454975623
2009	30.1121589838794
2010	26.9384925438553
2011	28.0432142860783
2012	29.1466273208429