Year	annual % growth
1971	0
1972	10.239481406989697
1973	-5.320035596198622
1974	32.60849940193205
1975	-7.047088340106043
1976	-4.95725746548257
1977	20.213047430932534
1978	4.667471939362144
1979	22.718108730873098
1980	-4.7698910955943035
1981	7.468981441756057
1982	2.9915740917776645
1983	0.06491513237381241
1984	4.98320846001279
1985	6.03628001710436
1986	1.794307873734951
1987	4.334266660933125
1988	3.5038200058413906
1989	5.369172649705092
1990	4.878190873970212
1991	5.40945301416042
1992	2.7681047347209784
1993	2.2456394442351666
1994	3.757908885815283
1995	5.912422185180262
1996	0.5936302467808332
1997	6.4943537777156735
1998	7.793924852365691
1999	0.649125404310297
2000	-3.684305960879854
2001	3.7650676742354534
2002	1.6451334128166621
2003	4.704031949481191
2004	3.2952887733362246
2005	2.380746106504759
2006	2.878415097646368
2007	5.062258483274434
2008	2.3610998587539456
2009	0.37872837485571154
2010	4.519222208715945
2011	5.35549591837237
2012	6.666798589693258
2013	7.106748506329268
2014	6.6208395614464735
2015	3.9098349827641385
2016	0.7046722609135116
2017	-2.237405339605033
2018	-2.566553282333288
2019	3.531652313049733
2020	-5.760277755858908
2021	-0.9712802478439357
2022	0.7609706603534363
2023	1.969917764538053