Year	% change from 1990
1991	4.04211635411349
1992	10.093465276156
1993	10.8593770915671
1994	5.93267158717434
1995	8.47966568317251
1996	15.0535078024459
1997	13.9285690944381
1998	54.6652846704713
1999	21.7898883708681
2000	30.2143053679883
2001	39.0692319160511
2002	50.6618849407977
2003	84.7681872025553
2004	102.212807979971
2005	111.209560667705
2006	135.005450206328
2007	143.307286717827
2008	145.990504833574
2009	335.782235984215
2010	170.801196774035
2011	173.509208741776
2012	176.217220709516