Year	annual % growth
1981	-6.722696252151451
1982	-19.779837321644308
1983	-5.342314036130389
1984	3.2566482317270697
1985	26.510030536160144
1986	7.0862065468858475
1987	33.34824567413935
1988	7.943840343100689
1989	-2.786649795442756
1990	-11.44929087002825
1991	-7.101105211166512
1992	-4.72059811332926
1993	28.069455194772132
1994	11.198053496250182
1995	23.53716905662739
1996	1.8934548188733515
1997	4.716158779223207
1998	3.8911269409459948
1999	43.77521800026295
2000	9.58512162580341
2001	-8.270889867977786
2002	-3.2912700799600287
2003	1.9813309924384441
2004	6.069549035417992
2005	-3.790339161679384
2006	0.2843881210386314
2007	31.65568868542158
2008	-1.526114449508725
2009	15.973932440812689
2010	-2.6694382750110464
2011	-1.0777335304261157
2012	11.55549815945784
2013	1.1529633001716917
2014	1.0722357933173043
2015	9.351844289342438
2016	6.766416296602969
2017	-12.508563048374626
2018	-13.31367271189518
2019	-0.4662141369891373
2020	13.815276326788734
2021	-6.963928858973659
2022	-13.35178265187146
2023	-7.101750465889239