Year	% change from 1990
1991	1.01104742918432
1992	5.99103432163499
1993	9.10732220055079
1994	7.32178533027579
1995	16.3701923731703
1996	23.8535486486696
1997	29.0574391939651
1998	31.8212997508232
1999	31.6735863893096
2000	40.9900151557537
2001	32.5694438066765
2002	38.1370701958338
2003	44.2495545577138
2004	48.5783852436482
2005	54.8590348049624
2006	68.0288988452729
2007	81.012199229507
2008	77.8417549229825
2009	80.2719617826525
2010	88.3291782307471
2011	93.7094858374016
2012	98.539595132498