Year	annual %
1961	1.1560693853969894
1962	5.571428581804838
1963	9.06630555240875
1964	5.459056798380971
1965	2.8235295434383687
1966	11.212815035351383
1967	4.732510243937412
1968	6.777996010381159
1969	4.081145620894702
1970	3.233508972932597
1971	5.566694500587886
1972	7.425788325642429
1973	3.262334518405112
1974	5.594474402693365
1975	7.174112689771064
1976	10.461179556323842
1977	3.406669804491557
1978	1.5029330112232913
1979	-0.6241135702228888
1980	-2.4473504258015595
1981	4.856648766520394
1982	3.563227812183456
1983	4.97108077727097
1984	6.712015712060079
1985	4.241335716399448
1986	7.012031110543987
1987	9.485538842467307
1988	2.3207367939483987
1989	0.2902440687796002
1990	9.266146671493232
1991	0.7202790356100479
1992	5.03563493896803
1993	7.651265203015086
1994	-4.668147363948378
1995	7.878266876189912
1996	7.379664473756861
1997	7.5776636440760825
1998	2.4041502568693716
1999	-3.2631684059710437
2000	6.933239704559043
2001	-5.750006554642567
2002	6.44772204681594
2003	5.763206066547141
2004	9.795936389202822
2005	8.992304936265171
2006	6.947988085719928
2007	5.0435079315710425
2008	0.8150245730077046
2009	-4.823153953017695
2010	8.427104322761906
2011	11.200110583350352
2012	4.788492711080082
2013	8.48581699653026
2014	4.939715161365797
2015	6.0844869044366305
2016	3.323084208457459
2017	7.5019974891749115
2018	3.0131799084650766
2019	0.8185259362082604
2020	1.85983969001542
2021	11.439384744642098
2022	5.533469265963788
2023	4.516866507984901