Year	annual % growth
1961	10.12219864570396
1962	8.623131565237372
1963	9.677939792542276
1964	0.2533824493155237
1965	-1.2406016332732008
1966	4.0321393430275805
1967	3.5131987341893165
1968	12.178287421517126
1969	-4.298468331157608
1970	-3.828002121716466
1971	28.17586030707443
1972	26.42067867675877
1973	16.413011314057016
1974	10.173697288074308
1975	8.79472015397127
1976	12.30448988810808
1977	3.9188081336701543
1978	10.414887167218652
1979	11.937502716515723
1980	1.5976461115351697
1981	6.233324504602393
1982	7.069952047948107
1983	2.7151112524948786
1984	17.88143980926307
1985	23.977741561656487
1986	11.749840247288446
1987	15.62583755559639
1988	28.026657537609623
1989	20.140689365840984
1990	8.553599996098015
1991	6.3955377088686305
1992	6.9656270108095555
1993	10.039685562265106
1994	11.082242359544253
1995	10.150459101982506
1996	10.111871509801745
1997	7.401186622561312
1998	3.2675253146125556
1999	10.163493556946435
2000	-1.231846720590056
2001	2.905599902647964
2002	5.670844190459931
2003	3.5457194060535215
2004	-0.9831361828315011
2005	3.601338903019908
2006	9.322534767406253
2007	8.517734143045715
2008	9.132919315026129
2009	3.1633707260617854
2010	5.710834927626138
2011	6.556609205239681
2012	3.3951595355514
2013	8.622238417667333
2014	5.495894365235699
2015	-0.5473714829440866
2016	10.288881893589092
2017	3.823296445324999
2018	3.1958790391098972
2019	6.847372746863556
2020	-1.2607040981595077
2021	8.282719777862638
2022	4.829773150218088
2023	2.984507325959214