Year	annual %
1971	1.6692220050326938
1972	1.669219563865994
1973	1.669225645767014
1974	1.6692225046974158
1975	1.6692322751372188
1976	4.758672041891671
1977	4.758677094050398
1978	4.758676836399971
1979	4.758671478500489
1980	4.75867252328473
1981	4.814820215738692
1982	-1.5901068797025175
1983	0.5385999392363914
1984	4.285709416771127
1985	7.020554490528028
1986	3.999999999122366
1987	9.23076798517009
1988	5.633798306425604
1989	4.491985306849529
1990	2.252870969058989
1991	1.8011700759603428
1992	3.6082938438715644
1993	4.332101205610741
1994	6.866144132197618
1995	5.875550400174802
1996	6.905301799736364
1997	7.225134854568751
1998	7.761262836946912
1999	10.410923201023621
2000	3.2201930823960936
2001	-0.7330924552979923
2002	-0.9939199471592985
2003	-1.937565341250135
2004	3.039172103065013
2005	4.828076777435243
2006	8.64496857267281
2007	3.3259635093690036
2008	1.7980884783641073
2009	-1.1574829197563616