Year	annual % growth
1961	18.98572856216927
1962	8.13999097178511
1963	12.92959479693279
1964	8.352152404459474
1965	7.089590770587222
1966	-2.835652247251332
1967	4.960353750130793
1968	3.3440310611657935
1969	-1.24219695214137
1970	-2.2346288606450884
1971	8.080353428312478
1972	2.4860915818215403
1973	-1.539792613553061
1974	2.71472007008893
1975	-0.3304880383287383
1976	11.81935291711089
1977	12.318875150247635
1978	5.023592048040996
1979	0.3949016530913525
1980	3.461928476469822
1981	1.1200497209704565
1982	7.391282269688745
1983	6.7639908420829045
1984	2.8758121777889585
1985	5.774853015291214
1986	8.312271316313513
1987	9.695222431981179
1988	2.469747900831834
1989	8.226373440882242
1990	13.76645510850338
1991	-5.314343111961989
1992	10.060072481670417
1993	0.8386947306294985
1994	4.778369646897133
1995	10.59288859986178
1996	5.310404798130477
1997	6.800650800511818
1998	8.412895031425549
1999	13.358143360849994
2000	-0.3911357833754039
2001	19.064018708352037
2002	-0.2685611695334984
2003	5.691953291415118
2004	10.901156681271289
2005	15.019313591650345
2006	14.023776042629194
2007	14.266826081102167
2008	3.67722441477693
2009	6.562506817778967
2010	9.450687060974076
2011	10.395940302989999
2012	5.226072976576162
2013	1.9095862238765733
2014	3.2502327880543476
2015	7.061684601909988
2016	8.689069156439302
2017	8.109613383010995
2018	10.834952004639817
2019	0.6095330586232564
2020	-6.243555364068172
2021	15.578569258907436
2022	6.098332279224977
2023	7.762067271931784
