Year	annual % growth
1962	10.060373256556957
1963	7.404012665957069
1964	5.957453286191054
1965	8.835321112483925
1966	9.66792186891334
1967	12.180349618621761
1968	13.857209362823639
1969	11.643839436568257
1970	12.789057146312288
1971	25.648540076531162
1972	54.61205026067529
1973	39.82335762808006
1974	13.632149366107967
1975	-3.4973368400421094
1976	-8.72314321919211
1977	3.9858609913192566
1978	9.442065140309325
1979	-0.2704681043553876
1980	-0.3253795773347008
1981	5.4006125419597595
1982	-1.6262275785775273
1983	1.7449336580389883
1984	3.1463416930260593
1985	12.251518876675178
1986	12.005815284191712
1987	-1.0142128155148384
1988	-1.4264240424522256
1989	-0.896770575438083
1990	-4.565554001094824
1991	15.828047614517061
1992	28.065112610207365
1993	26.694261066725318
1994	9.941523123643293
1995	-3.243641400163071
1996	-6.08493922302759
1997	-16.367289620658397
1998	5.63370869131586
1999	15.803034998468291
2000	7.086488879038285
2001	10.435065142049481
2002	-1.256695459989288
2003	14.263560932707776
2004	2.716415853599756