Year	annual % growth
1961	-24.79999789662277
1962	-24.46808203238669
1963	61.97182602831245
1964	6.08695430421831
1965	4.098362321125521
1966	-14.162228669559028
1967	3.118394618162597
1968	6.485204079931293
1969	5.324310770174392
1970	9.808056920900071
1971	7.175243853012574
1972	16.48544301620656
1973	1.8428883437221515
1974	26.53259404273986
1975	12.968434324774705
1976	7.232366639161427
1977	8.62683946895379
1978	0.8836339014302297
1979	14.897500384063676
1980	6.582474330106194
1981	8.300001444911771
1982	2.8999978380665112
1983	6.09999844211508
1984	5.400004826071282
1985	4.599994658104549
1986	-1.999997385869051
1987	-5.5999998943170795
1988	-4.900000688264228
1989	5.700003044210106
1990	-2.3000018370054676
1991	-3.1000039087485334
1992	6.100004946445665
1993	-1.9000021648940049
1994	0.7999998329644882
1995	2.700002286047649
1996	-0.4000003517350734
1997	-0.7999993454513259
1998	2.399998838009921
1999	2.7991293165713813
2000	3.697788585483636
2001	1.7999999998028642
2002	5.299999999999898
2003	4.2000000000000455
2004	4.600000000000051
2005	3.700000000000017
2006	3.8999999999999204
2007	5.000000000000028
2008	6.200000000000031
2009	7.199999999999918
2010	5.9000000000000625
2011	5.499999999999815
2012	6.100000000000577
2013	5.4999999999999005
2014	5.200000000000003
2015	3.999999999999787
2016	2.4000000000002473
2017	1.8999999999998778
2018	2.5999999999997527
2019	2.4000000000000057
2020	-3.4000000000000057
2021	1.4999999999999858
2022	3.3000000000000824
2023	3.499999999999744