Year	% change from 1990
1991	9.24720528908227
1992	15.884015222347
1993	15.6233760210666
1994	28.2470877970626
1995	30.5502718688639
1996	36.0137071814214
1997	42.0178415865115
1998	44.6993028014949
1999	50.0250809898004
2000	57.9376461596461
2001	62.412039331904
2002	70.3759430229052
2003	81.9560233157686
2004	94.6752619477425
2005	103.251485024194
2006	118.50063800063
2007	129.442103310034