Year	% change from 1990
1991	2.45770881785268
1992	5.77897454904437
1993	9.91102290819921
1994	15.1398960745856
1995	21.8115328960772
1996	28.4887464780168
1997	34.9727339925749
1998	88.471252168377
1999	77.2603170901167
2000	57.2799090450966
2001	61.4906498958148
2002	89.5079188332601
2003	92.2380126226803
2004	131.411280904039
2005	134.730504313292
2006	136.59764490095
2007	158.845581512203
2008	157.990321090059
2009	168.623230760221
2010	181.65907164911
2011	187.813997751681
2012	213.631262512828