Year	annual % growth
1961	5.194085911557835
1962	-7.406970940935565
1963	27.999953716655995
1964	-13.541861574915515
1965	3.616848233653556
1966	11.627840507678528
1967	-3.12525758547568
1968	16.129454082742484
1969	19.444401987125175
1970	173.58391930308267
1971	5.5096250944915965
1972	24.163513742518944
1973	14.254710035219432
1974	2.3335693493028202
1975	11.572718810614745
1976	-0.29309551524814026
1977	-0.3819638875493041
1978	13.251766981457891
1979	9.299890837487808
1980	22.614291635695167
1981	2.0822796998236157
1982	-17.306497516553264
1983	49.51537144531858
1984	29.33458252207251
1985	-7.082916786325228
1986	-23.43969708895844
1987	10.468034058701406
1988	19.02406819449078
1989	-21.015483072623155
1990	-12.02755849042832
1991	6.951451800497651
1992	24.66113702727722
1993	1.149309583441081
1994	-4.5963547230664545
1995	-17.36195397017559
1996	-0.41986450212495185
1997	11.019288723373549
1998	4.908205322180393
1999	5.706289582342222
2000	12.860549355697131
2001	9.230526892736009
2002	6.476821942601148
2003	11.015939415936813
2004	14.473779702447757
2005	9.644189671365027
2006	4.837427875645872
2007	6.176101640209652
2008	0.4092509821860091
2009	-9.247066469476096
2010	11.721721514465983
2011	4.811946378665155
2012	0.707641643523587
2013	1.8302950751837699
2014	-1.569680443393537
2015	6.819563947611854
2016	0.8631255564458513
2017	4.908793376910992
2018	4.053083682319297
2019	-2.561421037234709
2020	-2.2909058319385593
2021	4.382256601554175
2022	5.742839875930244
2023	1.0231388092328757