Year	% change from 1990
1991	-11.4460370362831
1992	-15.0384049013072
1993	-20.1825074260514
1994	-28.4852811562938
1995	-30.9887510910956
1996	-19.0456077532739
1997	-31.1615396036264
1998	-18.0613798856069
1999	-33.6516796067437
2000	-34.1295306414421
2001	-39.5061900034639
2002	-33.2940009652449
2003	-30.7712166965785
2004	-40.3022152989338
2005	-39.214322370046
2006	-43.4213360108647
2007	-43.6085232386604
2008	-42.8749517387872
2009	-45.6123769290035
2010	-41.6581011474923
2011	-42.8517734042834
2012	-42.0529496468707