Year	annual % growth
1961	4.930637836269597
1962	0.7963340273774406
1963	17.712905135439
1964	6.5998372766315185
1965	12.4934195240846
1966	-7.10377711727746
1967	13.809021438872705
1968	6.605467136422789
1969	-16.387338225543303
1970	47.99268858766084
1971	-10.016073161770294
1972	-31.813374913003244
1973	-11.225944093518322
1974	15.623299169361275
1975	-6.35785587660051
1976	6.959644251188337
1977	10.66862664453663
1978	6.824757348439064
1979	30.246484153289373
1980	4.004601485096785
1981	-20.892061948210028
1982	-0.47320670415207644
1983	11.106972533027857
1984	7.232582372842742
1985	8.916550393861968
1986	-2.4613365722596257
1987	1.9919290041566313
1988	-3.404947097837791
1989	8.322199167834171
1990	-3.4995975280582883
1991	-7.396928131369876
1992	30.84312490740146
1993	14.844357973723305
1994	-10.789339940707393
1995	3.969776919026529
1996	13.59345562255345
1997	-3.785256710275206
1998	-5.6211300386252105
1999	-5.401425839115376
2000	-2.2500467938963595
2001	4.407980781409535
2002	-2.353346074410979
2003	10.777212350505721
2004	7.970685158215062
2005	35.05089472861167
2006	11.450470881333999
2007	0.1143615104793696
2008	4.064021844583948
2009	-13.39026944379333
2010	-2.2721429197692515
2011	-3.3541242500115658
2012	-4.204617516499525
2013	0.059216170310932625
2014	4.484977188663166
2015	-0.9948098624673776
2016	17.860326110128668
2017	18.983621235986007
2018	15.733288719513666
2019	7.611928265831196
2020	-5.063518733221315
2021	14.485972153287534
2022	11.019154949692918
2023	-0.30656660644223166