Year	annual %
1971	10.731226305088953
1972	2.5832106662509062
1973	6.034806138280075
1974	2.7598951194008663
1975	10.575034605642529
1976	-5.08534042161142
1977	-2.132662041067917
1978	-1.9118031168526812
1979	-0.2501809426711361
1980	8.790762677249475
1981	11.358529616469056
1982	-1.7343699659336522
1983	-2.0499907103637867
1984	2.7450952797253763
1985	0.08387603246362119
1986	7.997766726308868
1987	10.298432994344836
1988	1.7721043680032977
1989	8.602461224117903
1990	17.041887726066165
1991	-2.322908124817914
1992	-0.7294969258640691
1993	0.04726840062842541
1994	2.3699838339637154
1995	4.843679961899809
1996	1.7073755231740364
1997	1.3183669407492005
1998	1.1316732018615596
1999	1.6152241580430058
2000	0.562746630940353
2001	-0.0029469897671674516
2002	3.4450767644202074
2003	3.096498533770742
2004	2.946514904528925
2005	5.393372141165685
2006	5.416934351338426
2007	3.8310229235740962
2008	0.2793821794072642
2009	1.0997490083931183
2010	3.318722454543831
2011	1.7430102280536488
2012	4.820736870058951
2013	3.222714545789998
2014	0.24680246943636064
2015	1.4998576026545862
2016	0.30295376928235385
2017	1.2409471862877979
2018	1.5827075461722018
2019	1.8857241193216794
2020	-2.4802997053430715
2021	9.605330160983442
2022	-0.31011343674548186
2023	4.049870004715572