Year	% change from 1990
1991	-12.1314459447164
1992	13.4267216985569
1993	-10.676991410008
1994	-6.81135564768597
1995	-0.76324841485691
1996	-7.69626999045845
1997	-8.24603815881397
1998	-3.17486442694812
1999	-2.01147537596631
2000	-5.19876071250319
2001	0.705545577690958
2002	-2.24405122130599
2003	-2.16449047235709
2004	3.01487167561065
2005	3.98901319840368
2006	22.642167839456
2007	57.6746722565185
2008	27.339328764477
2009	27.5512300865857
2010	28.8445208937898
2011	30.1329661027277
2012	31.4214113116656