Year	annual %
1961	4.237918215613383
1962	7.346647646219687
1963	11.428571428571429
1964	14.609421586165771
1965	8.168574401664932
1966	11.736411736411737
1967	12.139474817046922
1968	7.754318618042226
1969	12.255076594228715
1970	11.107584893684544
1971	11.168237646386746
1972	24.100719424460433
1973	22.422360248447205
1974	14.053779807204464
1975	22.627520759193356
1976	30.82224909310762
1977	18.735557814955172
1978	13.731900980850071
1979	7.32375085557837
1980	10.612244897959183
1981	12.223247232472325
1982	15.176736539251953
1983	-1.3471317691141047
1984	11.5527220112136
1985	32.803696647886184
1986	20.736173849346844
1987	8.329541432832803
1988	19.725573472102305
1989	16.337270494678986
1990	22.151856319528214
1991	48.53243725140584
1992	20.619603859827322
1993	6.28133971291866
1994	3.8255420298206437
1995	15.55698933682991
1996	5.7256926725302435
1997	25.362006110095287
1998	19.47636627182751
1999	8.707471129275635
2000	21.446034408797157
2001	36.88537414377077
2002	8.29013825870172
2003	45.14745196446887
2004	10.810609999531549
2005	13.71925419021023
2006	12.993920434554013
2007	10.285748362854914
2008	8.517287480232664
2009	11.34566929828501
2010	9.064348471782848
2011	7.234983046952959
2012	9.36068286662642
2013	9.546575492013751
2014	7.874714651390495
2015	9.090033405122215
2016	6.349587715059417
2017	7.303292681700745
2018	9.650642884731699
2019	8.750106332270267
2020	18.065848346590275
2021	8.024316610313678
2022	7.008374832993016
2023	6.059394599724894
