Year	annual % growth
1971	8.569397358422506
1972	4.822957492877379
1973	3.451651632719603
1974	1.0248751379043028
1975	9.42286458016251
1976	5.353474174566202
1977	8.75869766490898
1978	6.721116691064054
1979	1.246749480659588
1980	-5.318014987273841
1981	19.473390091629668
1982	9.601411619385331
1983	5.914309057943029
1984	8.310594970493156
1985	-2.1713134341219984
1986	1.5290684358997026
1987	2.1901034072740515
1988	3.449580984131501
1989	0.42790648787982377
1990	-8.739931788140808
1991	-23.993620971417798
1992	-10.322870860429106
1993	-22.738284760116272
1994	-4.919454175480297
1995	4.105075353910067
1996	17.465862926028876
1997	2.335241944537998
1998	-14.114097641250694
1999	11.624193651401924
2000	9.120558448246257
2001	0.8914057993812463
2002	-2.5154617743360603
2003	2.39377299141654
2004	0.20826824950536604
2005	-11.643721752078363
2006	-6.045553251609903
2007	18.038430243475005
2008	0.6363009703589881
2009	-0.20549027872912973
2010	-5.913410770855336
2011	4.320987654320987
2012	0.6993006993007072
2013	4.7008547008547055
2014	2.2448979591836746
2015	2.4900199600798487
2016	5.808461950435756
2017	-1.408262428488868
2018	2.6651953362429452
2019	-10.956039459926359
2020	-22.923367539694695
2021	-13.154931443333112
2022	-6.071237891846536