Year	annual %
1961	9.756197478975096
1962	10.965366145975608
1963	9.82895090189109
1964	0.3027631587570312
1965	15.422015730665706
1966	7.654191534763342
1967	6.117831844230153
1968	13.542534488774251
1969	11.62318644577691
1970	9.067427548085078
1971	29.567734748264627
1972	14.586678614103988
1973	39.6476787023758
1974	46.520626988839865
1975	0.6196121686753031
1976	17.961794114943757
1977	-2.9541782993131562
1978	-15.868713945412836
1979	-0.10151559418439149
1980	-27.151607351636272
1981	-6.344764621932612
1982	19.4663243703246
1983	6.2662747341637015
1984	-7.673764391610121
1985	0.39089654048231637
1986	-18.53752765280457
1987	18.660627984781144
1988	-30.928452855404117
1989	10.401607064115055
1990	16.336417855856126
1991	7.629343971315961
1992	2.5038078817932785
1993	24.78299172621294
1994	-1.3983926160616562
1995	-2.5538022253215615
1996	5.422040883231844
1997	-2.776771515315275
1998	-7.848914226954335
1999	16.199923544395986
2000	3.672114672783593
2001	4.05361765231109
2002	15.381121356726226
2003	7.1050084004453
2004	7.021320227535995
2005	9.909884086089988
2006	5.787351273771762
2007	11.801170430211755
2008	-0.23637480310627268
2009	-2.57479814239683
2010	8.479944818076277
2011	187.3892407785828
2012	-13.89528755578651
2013	-4.159229957289654
2014	0.8182753783659109
2015	-10.118629428031184
2016	9.08307840783948
2017	2.719679481657437
2018	-5.590287769738808
2019	-8.19381693454875
2020	2.0995121600775803
2021	9.887774816047326
2022	3.4368845236084837