Year	annual % change
1996	72.4000015258789
1997	-46.83919906616211
1998	-58.14690017700195
1999	140.60000610351562
2000	-24.5719242096
2001	134.2766723633
2002	97.9400024414
2003	-74.7600021362
2004	-26.7000007629
2005	36.5822595145
2006	912.2812791399
2007	-83.78696172832147