Year	annual %
1969	-0.567174327230461
1970	13.550400279393088
1971	1.3709175457010048
1972	-0.2587580442585846
1973	-2.772045729147152
1974	13.162554208886831
1975	-8.47043053048479
1976	4.041001726344874
1977	1.0317830934736918
1978	2.0133112251507157
1979	5.0517023223883655
1980	4.142170012500429
1981	1.5289203028880678
1982	-1.996721657755657
1983	2.685974145263188
1984	-1.7723492357654749
1985	1.4623136001312105
1986	4.780523625659299
1987	2.0108790293330117
1988	2.6020536218396018
1989	5.585062722436547
1990	-1.5248425149429323
1991	2.863879953463993
1992	2.0832722886257926
1993	5.2879465930602265
1994	-3.2531168470843426
1995	9.850215294794069
1996	10.176952126195758
1997	-4.287569485055016
1998	3.2383368461746898
1999	3.868145409975682
2000	-4.517418103042289
2001	-3.0328498008869786
2002	5.910851168447479
2003	6.743529405395037
2004	4.664921433668809
2005	8.08392459785108
2006	13.727740811934936
2007	-1.4834785318496984
2008	0.625443364408369
2009	1.6269200877354564
2010	0.14459600155024077
2011	2.6501881668728515
2012	3.915965276789308
2013	4.3410426575316166
2014	3.5222320719210813
2015	6.523442497765956
2016	2.1826236296871286
2017	6.74157781872124
2018	5.720963567545411
2019	2.2470261011039696
2020	-0.5513480173396346
2021	0.40212445847782874
2022	7.724847097561337
2023	4.028530293333631