Year	% change from 1990
1991	1.92439848610473
1992	12.0460898809439
1993	8.22486250676571
1994	-15.2079781551479
1995	-6.43364950526762
1996	-7.29945651402706
1997	-13.6485727665078
1998	-21.9897951943758
1999	-36.0219097217295
2000	-37.3629882200784
2001	-27.1587907487781
2002	-18.8194941384197
2003	-27.8067776613278
2004	-1.26718792127258
2005	-32.0626316397627
2006	-39.7550562845507
2007	-39.3003606346684
2008	-39.75343454349
2009	-30.3796698540636
2010	-29.5071731634289
2011	-28.8022448950632
2012	-28.0973166266975