Year	% change from 1990
1991	9.38102016894262
1992	18.0077388410592
1993	28.1309880143424
1994	39.1050474100071
1995	50.9576257244203
1996	62.1772364491995
1997	71.0258230274831
1998	49.9140955537747
1999	63.0562924038478
2000	70.6547997062748
2001	73.8342276067028
2002	77.9823370895874
2003	81.7666234757314
2004	87.1708736153796
2005	86.8120020541939
2006	88.2511495673067
2007	91.5327261484364
2008	97.9965302382726
2009	97.8338033163598
2010	109.263210064215
2011	116.33366598931
2012	122.624525605696