Year	annual %
1960	9.82241081297867
1961	3.16256439585745
1962	0.721320571656337
1963	0.371849607221666
1964	3.81448957223043
1965	2.15437483520967
1966	-0.388148532154432
1967	1.59761007964354
1968	0.690360521996233
1969	3.59319451551281
1970	1.66687093970068
1971	4.19529837265423
1972	6.39824135128871
1973	9.81948673318762
1974	14.2489355382567
1975	12.8791818338341
1976	11.2561425062111
1977	27.2877846793093
1978	11.7219692041212
1979	10.4872367273486
1980	20.6439144373798
1981	24.2035897624486
1982	18.6897259269564
1983	19.7401891778611
1984	12.5402194538868
1985	4.38934095741541
1986	18.4290030211474
1987	28.5714285714292
1988	28.6706349206345
1989	22.3496530454896
1990	7.62767493763934
1991	17.1285679434012
1992	25.8077226162332
1993	21.2026307547761
1994	31.4470284237728
1995	49.6559858462746
1996	28.9373440168137
1997	17.3492257538708
1998	17.8661342130398
1999	20.0707078146866
2000	14.4767513188567
2001	11.2742471332117
2002	14.3359337378404
2003	16.4680116244792
2004	14.7615086970672
2005	13.433118008508
2006	10.0158982511924
2007	17.3410404624277
2008	25.4105090311987
2009	13.5515548281506
2010	10.0893629287979
2011	26.2933856738608
2012	27.2568127242908
2013	36.6030355191029
2014	16.6065532357449
2015	12.4846815611533
2016	7.24542548952979
2017	8.04492437660278
2018	18.0141183371874
2019	39.9073455697784
2020	30.5941390387295
2021	43.3890162681514
2022	43.4884641742179
2023	44.5791857572797