Year	annual %
1961	26.02490130580018
1962	25.060240963855424
1963	14.315992292870906
1964	3.874936794201921
1965	25.218647065504875
1966	11.887885345531354
1967	20.49336962186577
1968	8.667820069204152
1969	23.34553945762352
1970	23.856237271606002
1971	20.787401574803148
1972	18.277858731497815
1973	32.44257485127008
1974	28.625195067470393
1975	28.953753925206964
1976	32.873983064917816
1977	44.055701334221894
1978	48.42567873630239
1979	57.21502548618551
1980	65.31994597697826
1981	24.881642687079502
1982	70.29838056275194
1983	80.10953149559124
1984	34.15807681169629
1985	53.488205892605286
1986	31.899972284911115
1987	36.879080419581264
1988	30.542231441742896
1989	50.641821503759296
1990	14.105587943322437
1991	15.910331916831272
1992	3.8989409486066724
1993	6.533163480938804
1994	2.0360391638673927
1995	2.5205731635971995
1996	6.189320356534984
1997	9.352412408841815
1998	15.190872786710527
1999	17.257900224913747
2000	10.73925985515111
2001	15.160312499133818
2002	14.741845708784329
2003	22.36902305945412
2004	16.354196810454518
2005	26.206449897274425
2006	60.11919121334153
2007	5.854468096018732
2008	32.09065309754903
2009	2.470974392050127
2010	-10.021156618831084
2011	5.6927288787495725
2012	-4.568444773943722
2013	4.654039688031361
2014	5.78693781264403
2015	5.572579344148278
2016	-4.635265189265909
2017	5.034190430622629
2018	6.991795310517185
2019	6.5939951612103505
2020	7.365364465914867
2021	10.867208546544168
2022	8.867714194098413
2023	8.320483383189165