Year	% change from 1990
1991	-2.53095637948545
1992	-1.67133083160997
1993	-12.1770542314911
1994	-22.4134917308793
1995	-33.5823354917336
1996	-26.8506231229596
1997	-44.316221577677
1998	-41.3219023729754
1999	-50.8934867267929
2000	-44.2921114016635
2001	-39.9375869092136
2002	-23.2094407352375
2003	-31.0219562095264
2004	-23.3939501963089
2005	-21.6631352949924
2006	-12.7530540186167
2007	-15.163087443438
2008	-11.2221061910451
2009	-22.694565446101
2010	-6.69767973728123
2011	-5.85971862235093
2012	-1.55489654369405