Year	% change from 1990
1991	1.97584908290735
1992	7.32716822946611
1993	12.9190355688911
1994	16.523632873141
1995	21.2682755788145
1996	27.5449178788183
1997	30.9210202182562
1998	35.7902137778273
1999	42.9210276317043
2000	43.3479870693911
2001	45.2233193702325
2002	48.9146450921929
2003	57.4112565335568
2004	68.6536401523276
2005	73.3598880122863
2006	82.0644419781748
2007	94.9622712142304
2008	96.2036493870023
2009	98.923004226584
2010	105.462752913103
2011	110.06803424614
2012	114.275183035711