Year	annual % growth
1961	11.23188373218315
1962	-17.58957411097562
1963	-5.533603356143203
1964	3.7656918968629327
1965	-2.016127523461435
1966	6.293759561114868
1967	18.092064995823293
1968	11.002818516840193
1969	11.041296161453602
1970	10.96021585755362
1971	0.40718659224987164
1972	0.40631669290040406
1973	0.4038941439646493
1974	0.4022694743773201
1975	5.010151524746391
1976	-4.2940004656687165
1977	-6.181924312802522
1978	-0.849858332602679
1979	-20.042782851518908
1980	41.28736684549938
1981	47.7223221113492
1982	45.477577191390054
1983	-21.394557831276927
1984	-3.158805692534372
1985	0.3127792731437893
1986	-21.826280635285883
1987	-23.703703706301752
1988	0.8215085906839903
1989	-2.2962976195101277
1990	4.999999993411677
1991	57.19309702601498
1992	-42.075983447392694
1993	87.20083088644287
1994	74.51057551769796
1995	-14.367799627210118
1996	4.068312600856601
1997	4.871351022454846
1998	-0.39234329186652417
1999	5.973516319575012
2000	4.45940136385228
2001	6.291718184852698
2002	4.692873259014547
2003	4.075790010537645
2004	-2.1703484161346864
2005	17.581221966584934
2006	1.1275533526337966
2007	54.598060697224184
2008	-10.929302386379973
2009	2.1693286479108593
2010	8.165128413070022
2011	-3.074221781205324
2012	-0.3181934489464169
2013	-4.112625115322615
2014	15.942748525375777
2015	24.054043562480217
2016	-9.030090242252172
2017	-41.216539257291785
2018	-0.13700631062440038
2019	-11.196603027669667
2020	-35.76899708529825
2021	24.999989647847244
2022	5.899948587720246
2023	8.900074796400489