Year	annual % growth
1971	9.04220727793576
1972	6.863182318579632
1973	5.196432778839593
1974	7.50893895078795
1975	1.1948771962233309
1976	0.2069371673784559
1977	3.6686109109334666
1978	8.846965164084324
1979	5.479599173542127
1980	17.064707537243336
1981	10.383590134263983
1982	6.154233103299589
1983	-3.5628888218092243
1984	2.185489520001326
1985	3.9719639370847233
1986	2.967443953131948
1987	-3.0358140683588886
1988	-10.47467851554282
1989	1.8984677587846335
1990	7.4270896423259956
1991	9.702019415907273
1992	8.167592690786847
1993	2.3622828174209047
1994	2.4313982552119313
1995	1.6660757833921735
1996	4.460178608142968
1997	7.3310759121768285
1998	7.8161407679032635
1999	2.3518231716380456
2000	5.004302856355338
2001	2.7222211471270583
2002	2.1664339787040348
2003	3.4174372083662945
2004	8.60516892080281
2005	8.33505498258016
2006	9.191816693538144
2007	12.401627797160756
2008	8.714679517762718
2009	1.8490668620068504
2010	5.3530943329800635
2011	10.58958715886233
2012	7.154680637051314
2013	3.61467776573663
2014	3.0628551902413648
2015	4.0729873919586055
2016	4.416693230034596
2017	5.239766578416564
2018	4.3264047682995965
2019	4.273886457444419
2020	-10.46489492405712
2021	11.58830376557691
2022	10.3836501488843
2023	6.396817670198814
