Year	annual % growth
1981	34.107473313910276
1982	2.2024213361579115
1983	-3.383102700916467
1984	3.2175230380310182
1985	-8.810338513184874
1986	6.380174175101345
1987	13.999021084572178
1988	-4.1177661537998915
1989	1.6979965858796078
1990	-12.016422327983918
1991	13.78868013445775
1992	-0.6793065551410393
1993	0.0557257150228736
1994	0.9000606459302389
1995	2.944935875875899
1996	8.300948889208513
1997	6.511085237651514
1998	3.5024271441340744
1999	2.194427591718977
2000	4.546856579220986
2001	7.367473054641735
2002	-1.7494956721022135
2003	6.988849585552799
2004	2.655026434940595
2005	-0.8961349804114036
2006	9.241935911087552
2007	7.676852178713304
2008	12.027196788565234
2009	10.955948625573654
2010	-3.735470461114332
2011	8.24117213952735
2012	7.800215711137511
2013	8.194185984612545
2014	4.364203943928516
2015	13.270742825215237
2016	11.630017604577574
2017	-5.5560527398493775
2018	-0.2051654768935549
2019	0.3129458699331167
2020	-7.099982991943165
2021	10.72357174044582
2022	7.116116547226454
2023	3.7971461350409186