Year	annual %
1960	0.092240285829437
1961	8.76051146191632
1962	1.66287136567997
1963	4.68823253646181
1964	3.95083843356371
1965	-2.44602939056201
1966	1.71246319927017
1967	11.0135558877735
1968	-10.0338953589389
1969	12.606868569676
1970	4.02779565047173
1971	1.30366900859353
1972	13.5547507128621
1973	15.2890879478773
1974	26.1581023014198
1975	23.9630476370738
1976	1.67488426358217
1977	17.0763307914922
1978	19.2304044013514
1979	31.138455010753
1980	25.3523690119419
1981	24.5757243336576
1982	25.7128797492595
1983	30.5877747791383
1984	34.14634146336
1985	45.40750323421
1986	24.453490125132
1987	20.557237745391
1988	64.7005631001051
1989	66.7203219315898
1990	65.1580979966203
1991	123.578126902936
1992	117.624468896394
1993	101.380423763812
1994	115.398144292738
1995	68.3751929485422
1996	132.823777374139
1997	47.1685369647197
1998	24.6218785461586
1999	17.1664454201761
2000	7.12125897172291
2001	1.93529572095333
2002	22.2247241495905
2003	6.48943208673338
2004	9.65754628605945
2005	8.50585075933117
2006	7.19912990114709
2007	14.7542770780084
2008	14.2971224481434
2009	11.256758706301
2010	12.9776663898014
2011	18.0966171221351
2012	35.5590574147024
2013	36.5223449139154
2014	36.9066427863595
2015	16.9095706050977
2016	17.750253831196
2017	32.3516260968437
2018	63.2925073455888
2019	50.9940515002965
2020	163.257782355458
2021	359.093040778999
2022	138.80846024176