Year	% change from 1990
1991	5.90389257960493
1992	8.27063031947699
1993	10.8352570089341
1994	18.7199774445365
1995	21.8590635958343
1996	26.0173747555023
1997	29.5716224074433
1998	29.6103896103896
1999	32.6446280991735
2000	40.5637103737511
2001	42.1887610354367
2002	47.6672716699854
2003	63.3205871469101
2004	71.4076018960687
2005	76.7273432130963
2006	84.4455408905884
2007	90.2817670795961
2008	93.000757722603
2009	98.965620539569
2010	103.178910641597
2011	108.462267423215
2012	113.744936968052