Year	annual %
1961	4.7711444424274685
1962	5.8057769779326485
1963	4.627267984599747
1964	4.870020184590971
1965	4.372365661395247
1966	3.39140365820202
1967	5.135165564198459
1968	2.880040602963807
1969	3.3623623577951185
1970	4.04670530378669
1971	3.8474170189824424
1972	3.2021882060889415
1973	4.563174443252861
1974	3.4765075773975744
1975	2.768266452386467
1976	2.704553535921449
1977	2.694147424928707
1978	2.5514793299457295
1979	2.9966494129877863
1980	2.8172498809272875
1981	2.3935687038948177
1982	2.2675107890603408
1983	2.177984282342219
1984	1.4306932413687434
1985	1.8850460852540334
1986	1.66732077475976
1987	1.7351661326852312
1988	1.7747176909743811
1989	1.8128764788176852
1990	3.2097537927221342
1991	6.1320514499106515
1992	3.5681548342565073
1993	2.7695452221672046
1994	2.70059744209043
1995	2.7773106832672942
1996	2.701212771019976
1997	2.5709286335014365
1998	2.358287682801277
1999	2.6177749833135056
2000	2.71253095110511
2001	2.4272578543945333
2002	2.0830650284867533
2003	1.8744844325013004
2004	1.8365244859719652
2005	1.830668790222814
2006	1.8355207579955652
2007	1.8426875441726216
2008	1.8431310987375982
2009	2.4566998320011715
2010	1.8953867531344335
2011	1.9199270945176306
2012	1.9201257202618756
2013	1.9432218377876016
2014	1.9988351192842935
2015	2.06268495608919
2016	2.0438551691573896
2017	2.025404159547267
2018	2.015384410585949
2019	1.9987584389833064
2020	1.8566069298822312
2021	1.775820100942484
2022	2.062364147941817
2023	2.1608500544483893