Year	annual %
1961	3.211716341212744
1962	9.609161065471746
1963	10.583692936634113
1964	9.406448962826042
1965	10.887929416181716
1966	11.207042491958694
1967	9.362155579235806
1968	9.521158129175946
1969	13.51677681748856
1970	12.032693276605274
1971	17.060422538026423
1972	15.394466119710074
1973	19.496171346132503
1974	12.225338509259087
1975	14.051957652692495
1976	24.485570830148887
1977	19.163875440055335
1978	21.15282401776485
1979	17.71100518647909
1980	15.897673929397024
1981	17.450850801479657
1982	17.203932615410974
1983	16.887161429109895
1984	17.984401265849172
1985	16.8832410501987
1986	17.927459020766133
1987	16.31780172488538
1988	18.290618234615437
1989	15.730173307528258
1990	15.066613510956737
1991	18.316952275613254
1992	16.86249497025276
1993	17.0076625114277
1994	20.277728252280085
1995	11.011121101418727
1996	18.736274338553837
1997	17.65675429311411
1998	18.173014804276324
1999	17.149180478434626
2000	15.171707634844056
2001	14.320550688578795
2002	16.761164742930447
2003	13.033611087815592
2004	16.73233294774125
2005	15.599903899387241
2006	21.63314111558372
2007	22.27150287436189
2008	20.495209876878086
2009	17.995839217065328
2010	17.80217706389718
2011	16.137589344546505
2012	11.045696660166177
2013	14.83153000464959
2014	10.587381601221871
2015	10.617724556884639
2016	6.800954123580394
2017	10.431043710035224
2018	10.51961997520582
2019	10.510248428610742
2020	12.479137904316826
2021	11.297105670545875