Year	annual % growth
1967	1.3045966816158199
1968	5.086286913390296
1969	4.544627782816349
1970	11.688663982819094
1971	3.1356851706256634
1972	16.38381107345181
1973	-5.779145254756628
1974	-3.6159916931976284
1975	-0.30559125941231
1976	-6.457532084688566
1977	-2.3785215749064292
1978	0.5564823607920459
1979	-1.8247220922005027
1980	-5.754568294471227
1981	2.5481824733407024
1982	1.2589172606724048
1983	2.2742387305409295
1984	-0.8599972287270106
1985	-4.552216648249271
1986	1.6173215561598369
1987	7.795971509290695
1988	2.8508078420901057
1989	6.819479247569731
1990	5.465511178813713
1991	7.5418194125899305
1992	1.9182086523202173
1993	-0.48982397442770775
1994	5.667330677290835
1995	3.7873503628994314
1996	3.7926399535002133
1997	-14.143712155682337
1998	-2.4908275580921355
1999	2.719595300806901
2000	-12.655935204216604
2001	6.672879776328045
2002	-6.930368687751169
2003	7.568468235901534
2004	-12.245832969718123
2005	-7.78161748253487
2006	19.976815032485916
2007	-8.107318607734314
2008	-6.167013082283901
2009	13.978578688140104
2010	0.022863936712624877
2011	10.297848995359686
2012	2.319074857000743
2013	-0.7615806850175204
2014	-0.5347484437187404
2015	0.026675969055872883
2016	12.868748204980918
2017	-3.500608880568535
2018	4.096585237225241
2019	0.403488456249562
2020	-1.4362689445135288
2021	8.293414268475516
2022	9.042714840452476
2023	-5.7380856532375475