Year	annual % growth
1962	9.314595307490407
1963	15.55466767813843
1964	19.895605530187225
1965	23.933888104253057
1966	17.7669035088049
1967	9.242650812877912
1968	9.697956127816425
1969	27.81559535336254
1970	32.28649998654046
1971	8.092998403477992
1972	-14.23905613004979
1973	-14.740753307172042
1974	12.510902649309116
1975	2.140063755563986
1976	-6.382942484112888
1977	11.559758690400486
1978	2.0786027861166048
1979	7.699299995510017
1980	9.538139770781157
1981	0.1545775581984543
1982	-1.1746523270451377
1983	-0.6420331779818866
1984	-1.807546817463063
1985	-2.036458495894948
1986	-2.033404371648089
1987	2.9558962826523185
1988	9.73808953157041
1989	-10.063142687603815
1990	-16.73354230859121
1991	20.08541569393924
1992	-3.027816004986832
1993	-13.505125386311562
1994	8.241823534658437
1995	5.072826505062935
1996	10.650099374621803
1997	3.21409009046252
1998	0.3850716153311282
1999	14.008198601770118
2000	-4.749185344819935
2001	8.270169830929035
2002	17.522016550284917
2003	-6.445442145411093
2004	8.632207093697446