Year	annual % growth
1961	2.463061951735284
1962	3.6057803243700874
1963	3.480255013089419
1964	3.643550162673506
1965	-7.101402309694677
1966	17.91501390068089
1967	10.30041759700265
1968	17.509716277919665
1969	1.0596075803252631
1970	-1.703808632193713
1971	25.866676302831365
1972	26.27118344160195
1973	31.166104361176252
1974	9.785750575415747
1975	-5.063037346783233
1976	3.2416625274099857
1977	1.6322764672969186
1978	-3.312514493003121
1979	-2.710807218147721
1980	-4.730853220988507
1981	-3.8083319200378867
1982	-5.421142586621613
1983	-13.447329652451046
1984	-8.51904409015576
1985	4.457486829092019
1986	1.769763318987927
1987	28.13263036422771
1988	19.583966825565852
1989	-2.8213872387504892
1990	3.0124421152233083
1991	2.733631797023662
1992	1.051983066289381
1993	-2.452563385063229
1994	-3.0599140757939125
1995	21.446827475111903
1996	-3.2278176512103016
1997	-6.936832851001455
1998	-5.021210941803702
1999	8.604500742087723
2000	-13.814521180854797
2001	11.189017738305623
2002	-20.485198051119184
2003	20.125001055597693
2004	0.47249626391585764
2005	-2.503075420227205
2006	13.327667043002322
2007	12.23511698561579
2008	1.9738561213021626
2009	6.372374328582154
2010	5.816764039295919
2011	0.17504686138609316
2012	-8.531968835920253
2013	1.3296224612890057
2014	-2.293149014438569
2015	-2.847501734307528
2016	15.41127018726236
2017	-8.753422502838816
2018	8.066321837246406
2019	2.443740101518401
2020	-2.654549974317007
2021	-1.0496467318627936
2022	1.2132378562883304
2023	1.2759113177857557