Year	annual % growth
1966	2.5052190679412547
1967	-0.4887951026663444
1968	0.818660074797009
1969	1.3398308689882157
1970	4.246799281608006
1971	2.421215595811958
1972	4.465284389960772
1973	-1.1853809903402919
1974	4.580192101344565
1975	4.657634470996783
1976	7.007668226990859
1977	1.0552124119222412
1978	0.5835413138673999
1979	-5.435086794018389
1980	-1.8728390816564655
1981	8.16057633452067
1982	-11.68238864577404
1983	8.370656239645697
1984	5.594404994927515
1985	3.49194191309023
1986	8.725932939149828
1987	-2.1936623599782052
1988	19.310733336242066
1989	-2.682256757734166
1990	-8.90459458686496
1991	5.171966305609828
1992	-33.071082163701234
1993	68.11173969727324
1994	-18.902975288151254
1995	32.48128957273923
1996	-1.3800942150806605
1997	-5.960532250676238
1998	0.21110776665855724
1999	8.783810066262959
2000	0.16465756290742206
2001	-4.110764452396779
2002	-3.5260528894829264
2003	2.754896155604598
2004	1.5954572447887188
2005	-3.5521170685406105
2006	-1.4254525127427229
2007	-3.826033968306902
2008	-2.6551242696942268
2009	0.6330954459850204
2010	-5.978009142698383
2011	7.778761060980656
2012	3.385116811628052
2013	-3.843110122350808
2014	1.059476113749298
2015	-7.736633883450338
2016	3.7195214783158974
2017	9.78828294406975
2018	-21.17749739939235
2019	7.7026591452908235
2020	17.206765970633086
2021	6.934455891232588
2022	-11.037098480783897
2023	-15.857817986630778