Year	% change from 1990
1991	10.098535268008
1992	18.463309638887
1993	28.4415711425321
1994	40.2004333973306
1995	43.9946331478613
1996	47.8610657868323
1997	62.8390098775472
1998	74.832757700695
1999	80.5358959709147
2000	88.5055341373317
2001	96.7428286124594
2002	77.1198465437163
2003	85.7123003515563
2004	97.1975011881538
2005	98.637011720258
2006	96.2692828355098
2007	100.740515787433
2008	95.8197574965213
2009	101.296417351678
2010	100.127994619422
2011	102.129274565616
2012	104.13055451181