Year	annual % growth
1971	-0.5797469140096894
1972	-1.224830330605485
1973	19.525340946623345
1974	-7.426436166118094
1975	-12.620434088714617
1976	11.593294714097581
1977	1.632957248695405
1978	1.4252575255210331
1979	3.254777945935089
1980	-15.1619119208043
1981	-8.962968886336895
1982	10.468220386459166
1983	10.408748628877703
1984	8.295623992839523
1985	3.559588397605779
1986	2.395495012125153
1987	9.6833752662764
1988	18.003547257106604
1989	3.8205224317260758
1990	-6.086435761679155
1991	-8.861204374077303
1992	4.0741414896359345
1993	3.7651053179007903
1994	10.370127917264085
1995	5.105782529352922
1996	3.0686837613097993
1997	4.567419599075407
1998	7.085434812068513
1999	3.708516900466492
2000	3.56374108152761
2001	3.057458885367808
2002	2.1358812341347715
2003	0.7681878122388639
2004	2.108827015608483
2005	2.76027059829606
2006	6.515134922021133
2007	1.8295245343623208
2008	-6.278561152184508
2009	-15.146434313285823
2010	10.822974673663353
2011	1.6210881233203622
2012	4.07596274189919
2013	6.584578334541618
2014	13.46544764979258
2015	3.2673652268580042
2016	-1.0062048484777648
2017	2.0346552690581774
2018	0.3918962712544385
2019	2.5405039650525936
2020	-11.162665998876307
2021	8.269565700912352
2022	7.075515752810134
2023	-1.3572572570492696