Year	annual % growth
1969	0.17099056625033882
1970	9.088233560768998
1971	3.965898666628817
1972	20.526261158567777
1973	-23.795375275682062
1974	19.178391820138245
1975	-14.1055426505811
1976	22.6981673678728
1977	-2.5103473099750744
1978	1.2090447645302476
1979	-1.4316979778630667
1980	-0.5273383285410063
1981	1.9112723233270117
1982	10.869267622445818
1983	-3.835864510498311
1984	10.965118769941796
1985	15.724919965066306
1986	-4.29609385213125
1987	-8.34407104524169
1988	7.690261788486552
1989	9.72374131316191
1990	10.865301134593892
1991	-16.549683855544558
1992	22.754761573400344
1993	-1.118378209366412
1994	7.118314052059986
1995	11.954022988435597
1996	7.404135429013394
1997	-8.10306115655385
1998	8.256325898121602
1999	15.937074031320833
2000	-11.444309703654866
2001	1.0253531208521878
2002	17.08381925132882
2003	-29.202754535022223
2004	17.531343414715337
2005	31.37933476665151
2006	4.267673258031863
2007	-27.684179458025596
2008	-13.902329294732027
2009	3.5596291036451504
2010	13.51471425539765
2011	16.2714587632303
2012	-6.899452728410566
2013	23.91557132385094
2014	-2.013063403710163
2015	-36.883286341143595
2016	-0.3086808933309726
2017	-15.998093138494951
2018	37.663352594452846
2019	46.15987127927585
2020	22.45512464396448
2021	-20.557953695623524
2022	-33.266729468513304
2023	28.863628126145215