Year	annual % growth
1981	-4.0903447179967
1982	2.7107643866992817
1983	-12.495722261733476
1984	-21.472723029947147
1985	-15.033404386236526
1986	5.186221408532603
1987	-5.798957636203397
1988	3.711973194089296
1989	55.91154847788181
1990	77.40955915731237
1991	-6.244128761610824
1992	-36.49246676781653
1993	1.115625151799506
1994	16.744572635560218
1995	-42.016917047681254
1996	150.9684349024074
1997	-120.28576692979195
1998	-294.16180897517734
1999	-94.82055708925564
2000	2357.6754675467546
2001	35.035073434654095
2002	24.369845394998535
2003	20.171700129801252
2004	0.45378833413548136
2005	26.428904192158825
2006	-3.4396403885312736
2007	-1.489902734924641
2008	-0.4402552672742388
2009	10.991801374182629
2010	257.6801856808436
2011	42.1912978690593
2012	-28.096518838788413
2013	-13.282217668410581
2014	-5.303511742394193
2015	-15.20990692410831
2016	8.41933025656867
2017	4.337990723735885
2018	-33.72709664543652
2019	0.9062013695721163
2020	-9.644173112618432
2021	0.14271109070411114
2022	29.257835064714698
2023	26.91740412979351