Year	% change from 1990
1991	131.135073586894
1992	266.369260052344
1993	400.976343428163
1994	532.092722885014
1995	569.890554365929
1996	631.459671663098
1997	933.369022127052
1998	1146.64355392407
1999	1244.33737806329
2000	1332.20828659801
2001	1754.15179633595
2002	1502.40134597736
2003	1592.68549675402
2004	1990.28415077666
2005	2050.20733489684
2006	2110.00305903946
2007	2226.51847319942
2008	2239.14550831039
2009	2302.26368920159
2010	2365.46684341117
2011	2390.12151184528
2012	2414.77618027939