Year	% change from 1990
1991	-5.95625300378333
1992	-14.1884369678991
1993	-18.052288766589
1994	-26.3432817027422
1995	-28.2167001018445
1996	-27.3726992333652
1997	-33.057915065082
1998	-18.2029683218947
1999	-34.2449847580299
2000	-29.3350134070846
2001	-31.4646032556955
2002	-24.4583588643056
2003	-15.2737806558228
2004	-33.0365194610205
2005	-31.0976895889381
2006	-26.2008212268207
2007	-27.834228364804
2008	-21.187220150154
2009	-30.6116896924201
2010	-28.018963263015
2011	-24.1866574015138
2012	-23.5076443796956