Year	annual % growth
1971	11.19666887948398
1972	12.432973605385044
1973	15.64142448268801
1974	10.57569434439101
1975	5.035088502930989
1976	11.56596392940996
1977	5.016697529379982
1978	6.164438076297003
1979	7.747477407799025
1980	9.149999999999991
1981	-2.4799999999999898
1982	2.1100000000000136
1983	-0.5299999999999443
1984	5.3499999999999375
1985	6.939999999999657
1986	8.09999999999988
1987	3.140000000000427
1988	2.330000000000439
1989	3.539999999999438
1990	-0.7599999999996214
1991	1.9599999968721278
1992	1.5200000012373351
1993	3.2100000001446176
1994	1.8025219914454595
1995	1.298120488011719
1996	2.2991376607748037
1997	2.5342338051657975
1998	1.4214815216301275
1999	1.820315187503411
2000	3.84675214413312
2001	2.0637140962379164
2002	3.122349529092048
2003	0.9913197780288243
2004	5.00955573003165
2005	3.6606283856248467
2006	4.331245106000338
2007	5.826511244685406
2008	4.82401913287606
2009	2.06682377088552
2010	5.80365285276126
2011	3.457822445561149
2012	2.902909934624603
2013	2.7538277759020673
2014	0.9854034352025849
2015	-2.733761528763395
2016	-2.221343645918111
2017	0.7656632353024122
2018	2.0871437302589726
2019	1.5121017591449117
2020	-3.7381071844915823
2021	4.802951425237239
2022	4.256687290963285
2023	2.3943274896300437