Year	annual %
1961	8.542753453559044
1962	1.5930546841379254
1963	4.710817037430942
1964	3.9059776912089745
1965	-2.3946774375555435
1966	6.40435065613643
1967	6.759785431414798
1968	2.3676421396913554
1969	8.607460212482778
1970	7.320637310860008
1971	6.561872549784994
1972	14.305450062098402
1973	23.151582650098888
1974	15.439086056249778
1975	5.284266153914061
1976	6.866021955609483
1977	17.403998476999135
1978	24.909922797643787
1979	23.974882609166002
1980	22.026565154541842
1981	24.97717954411999
1982	30.590249363859527
1983	26.058059053626124
1984	33.63688280372031
1985	46.169145241842756
1986	28.642556644302175
1987	25.891353251574586
1988	78.86259633561531
1989	36.738651930724274
1990	66.23558835202951
1991	88.77284626283716
1992	109.23365516194514
1993	97.48734825085899
1994	159.26697258904983
1995	104.55502878741774
1996	32.562255134583836
1997	37.921169977766965
1998	17.66227076575622
1999	15.823578015665959
2000	9.853136920417896
2001	21.1339910457107
2002	10.801235231863487
2003	9.799924103969417
2004	17.27399791860809
2005	18.054402868471996
2006	7.652254305265288
2007	15.306621479385768
2008	8.89101661311409
2009	1.8621318930236868
2010	22.669419211621914
2011	26.328349965047693
2012	30.128593139555818
2013	36.428629117693276
2014	34.06698551891114
2015	14.022557439230084
2016	20.68558773062452
2017	34.62237073153162
2018	55.97532544375693
2019	51.97889334654516
2020	115.65291501439003
2021	235.51544358234327
2022	116.87407540579434
2023	206.9147304994354