Year	annual % growth
1961	1.2858581450784925
1962	12.269610214935355
1963	14.761580381792783
1964	-5.698343918389355
1965	-6.042676401629578
1966	3.2178825845796695
1967	2.1375102753148525
1968	9.457742005569088
1969	5.0449927395653305
1970	6.455178515123762
1971	-2.3189007733050033
1972	-20.091769123457013
1973	-6.02593947611814
1974	19.114351099859945
1975	-22.771296718519224
1976	-14.815859664296255
1977	15.447839834365283
1978	17.37599749405902
1979	16.849963342415975
1980	21.90405567097575
1981	16.75791181151169
1982	-38.30102729104525
1983	-15.034859047115091
1984	18.84460526862071
1985	9.974912621677461
1986	2.4179115941012554
1987	26.843044273929564
1988	11.605901178160977
1989	26.623001536099153
1990	5.366358139414416
1991	0.6899294408652281
1992	21.783056276491834
1993	21.106947352246436
1994	0.7741198877242397
1995	34.20776512597456
1996	7.7854814393230924
1997	9.079804647444561
1998	3.45466704319324
1999	-15.52976582159215
2000	14.302041741086242
2001	3.2878445450708966
2002	3.4616122318663116
2003	9.633772940026233
2004	6.743801155143686
2005	23.790431571441758
2006	13.522653216876776
2007	9.678090415167674
2008	25.85063914711374
2009	-24.771304939359382
2010	24.853439186938473
2011	15.157243522427777
2012	12.152332627862947
2013	-2.1730764287461426
2014	-9.08431619040438
2015	2.0669993376884577
2016	-4.4584529527126335
2017	0.0070816770687542885
2018	9.67985482639979
2019	1.25287255835012
2020	-17.836178515784226
2021	27.777022420136447
2022	1.407229141418128
2023	-5.288420782372299