Year	annual % growth
1981	6.182512255354112
1982	5.0607980961015215
1983	3.9470550746372624
1984	3.540621962403236
1985	2.541860976383475
1986	2.9761723542913927
1987	5.683980909062967
1988	4.821626617656619
1989	-2.936986619163008
1990	5.718709570184359
1991	-21.884846903313544
1992	-3.0981117969839147
1993	-3.5621993522062922
1994	-4.482251682758971
1995	19.050705422605148
1996	-2.24426000748673
1997	-31.933541487423184
1998	4.55560875075048
1999	3.7826146772622025
2000	7.430017998385566
2001	6.142027875713069
2002	4.54983365824981
2003	6.838424283485949
2004	8.4006622877898
2005	5.865243861631882
2006	7.926153773828744
2007	8.822490571793267
2008	3.178500452013594
2009	-4.5954423380108125
2010	2.3156615670369547
2011	2.0600620993606498
2012	2.6061413985139836
2013	-2.9873516872550994
2014	1.0581771844535552
2015	2.6035275343279523
2016	2.17088944951999
2017	2.9076748491632998
2018	4.051273515446212
2019	5.107935721841301
2020	1.3990732218195348
2021	6.4506583919349225
2022	4.246896339583145
2023	3.9951067981787816