Year	annual % growth
1961	-2.7165599658088837
1962	-1.388900679039267
1963	25.505899746831744
1964	21.364112439274876
1965	4.291615001696371
1966	-6.157102380491153
1967	15.639534578330853
1968	20.724423105837374
1969	-10.946773673389671
1970	8.105655271643997
1971	11.91599527807108
1972	-8.115035553543365
1973	14.600181272875119
1974	15.461831489466405
1975	-4.553358118633994
1976	38.2223949499479
1977	10.251258524482537
1978	8.811694470061937
1979	-9.233298331710131
1980	-11.996434802301309
1981	11.25182215594613
1982	-14.868858943346027
1983	-23.01464345893737
1984	-1.5377943421111553
1985	-13.125505680638682
1986	2.11730600556821
1987	24.174874802517408
1988	5.599023378036506
1989	3.491202033857533
1990	-6.082083829715884
1991	14.414019730520522
1992	25.35519215567315
1993	2.3651923927064757
1994	-0.5371998259784334
1995	3.6296278408697304
1996	-8.282085418035862
1997	21.389633075608955
1998	25.850263389835803
1999	2.048334803677946
2000	-2.783613163048571
2001	4.09630868861386
2002	8.584237495526992
2003	-0.9306509784993153
2004	3.4530549738514367
2005	-1.0374474829759919
2006	11.304524773295128
2007	7.509219566563402
2008	-18.66540986000551
2009	-17.794766813456604
2010	7.318435088850819
2011	16.941353094764636
2012	1.7795487327070987
2013	-1.3861766756593425
2014	-1.2916467497894502
2015	1.3265089239062462
2016	-4.048578128035061
2017	4.310340997020319
2018	5.438088934699209
2019	7.819001582926319
2020	-5.573758953351756
2021	26.09498196291429
2022	-1.1220176250111393
2023	8.13180825676163