Year	annual % growth
1976	34.7809065984156
1977	13.6300810714249
1978	-13.4417188351805
1979	0.983510999933728
1980	21.909774918289
1981	2.38467513061113
1982	2.95688178155045
1983	6.07446886538024
1984	1.26774600038139
1985	4.94933507897971
1986	-11.0088905616541
1987	-32.1197368978361
1988	-4.03313443468156
1989	-9.01560192289008
1990	11.9309980143362
1991	3.68046388435017
1992	32.5587462213029
1993	1.43026943521652
1994	20.700627043212
1995	-0.144538030668102
1996	-5.20790856528943
1997	-12.4016738312403
1998	8.02485230688647
1999	-2.60384603663182
2000	-0.235455620709288
2001	14.2153565456014
2002	8.20162767340373
2003	14.3000000208109
2004	10.9999999764638
2005	32.7000000070013
2006	-32.9000000112454
2007	29.9000000138836