Year	annual % growth
1981	1.394890693667719
1982	1.2788798438888875
1983	1.6846480078818615
1984	2.6382002649288694
1985	1.7027624147115432
1986	2.4064306750135103
1987	3.4056549361013424
1988	2.982962072026197
1989	2.9128634474798503
1990	2.1450886221011842
1991	-0.24171743711465865
1992	-0.6061836101314952
1993	-1.912133067064616
1994	2.8508846136826804
1995	3.0606266521398595
1996	1.6733378353490025
1997	2.6912303604066636
1998	3.9446048986081337
1999	3.521296063219296
2000	4.763819864321746
2001	1.4428508391724364
2002	1.421300431022729
2003	2.5558261581950745
2004	3.842376074350213
2005	2.843675218272807
2006	4.412863341347162
2007	2.516523175446437
2008	1.414333515816807
2009	-0.7880626544348246
2010	3.9163851238824208
2011	3.3857234081975633
2012	0.4238822186689788
2013	2.941904047528098
2014	3.4430784935680236
2015	4.0802416601980696
2016	2.4526578697002748
2017	2.1885741589328944
2018	2.5976433559879553
2019	2.6385150995286324
2020	-3.225576141279717
2021	6.102412404592442
2022	2.933074591153911
2023	0.8846456605477613