Year	annual % growth
1981	-3.5733864266942845
1982	-4.325499032298978
1983	-2.6264430419380886
1984	3.9245572786140457
1985	5.534514323953601
1986	0.819436293785941
1987	5.388004642406116
1988	0.7244756118332134
1989	6.227682419036924
1990	5.096889165691735
1991	8.163968834363388
1992	-21.105567221947297
1993	-2.7212131864218634
1994	25.183644937858205
1995	-5.698943695238597
1996	15.216882658307455
1997	-7.804084881839614
1998	-1.8345293081753482
1999	10.949030232176511
2000	4.70033053485696
2001	-9.333800409100405
2002	21.065997737494044
2003	-0.14601668549398994
2004	7.586570662695351
2005	14.980231714265685
2006	3.755903751321
2007	-4.571492472131851
2008	-27.11908214743667
2009	6.658120362295932
2010	10.430255405051852
2011	1.0329016603616736
2012	8.12353707024593
2013	-19.347765821855873
2014	6.333421106186506
2015	-11.329359878274715
2016	2.1272742854152398
2017	2.908945222668919
2018	4.000817955595039
2019	-3.077524865666959
2020	6.28695864121822
2021	1.5549983139072197
2022	1.6668164229004958
2023	-3.42598203326078