Year	annual % growth
1971	11.199865039162631
1972	13.497520000173395
1973	22.603401626718906
1974	63.34077588288898
1975	43.6016075154065
1976	-2.0349609909230253
1977	15.160663452324656
1978	-24.288677141140823
1979	-17.481949885622285
1980	1.8940215617752898
1981	0.7754093815805447
1982	-8.76203577059728
1983	25.056203855867466
1984	-19.12957820423962
1985	-1.8153653031028085
1986	-12.970718673901914
1987	0.5937807357038025
1988	-7.5122595645904795
1989	14.957216994766398
1990	18.426302262771515
1991	21.30382610112538
1992	-3.0767508427902044
1993	-10.24888490741617
1994	-22.199213205046007
1995	4.7594797087947995
1996	6.272066443493458
1997	-1.3443596256274049
1998	4.777339731527832
1999	-1.079259585355203
2000	7.972076532645005
2001	11.58700529986288
2002	11.191063302008033
2003	11.313690984195787
2004	10.950980356587792
2005	4.798823973833862
2006	5.000898953692868
2007	11.481016316438541
2008	13.624106972183966
2009	-3.4662253091651962
2010	5.719524312280328
2011	-5.932484407576155
2012	0.1835939397690538
2013	-3.400492622080037
2014	-0.25774423506852884
2015	-8.81997732662272
2016	-1.7836309937702453
2017	12.905773356441202
2018	-0.4471673122809108
2019	-2.624756360076759
2020	-21.507579997825317
2021	8.847343406743562
2022	9.606145532080518
2023	4.752511157082324