Year	% change from 1990
1991	1.59092993408656
1992	2.65219121684575
1993	5.94276580527406
1994	9.25467271015359
1995	16.1534991177295
1996	18.5094501642097
1997	19.7582116955388
1998	51.8733844680465
1999	12.1490168662491
2000	11.7402423671523
2001	-8.23999489983825
2002	-5.80953549898834
2003	-7.26070714026189
2004	-2.3848650888691
2005	-6.5797638796795
2006	-8.2513552817487
2007	-6.35053539294498
2008	-4.68994446328654
2009	173.330732061829
2010	-3.73623232953628
2011	-2.77359465283165
2012	-1.81095697612702