Year	annual %
1961	2.90664118002824
1962	2.9978048994162
1963	3.00781244601403
1964	3.00437601385212
1965	2.99428073972141
1966	2.97263295334604
1967	3.00624551431494
1968	2.99968866923703
1969	2.88210170547413
1970	2.51113932076756
1971	1.22773155480175
1972	1.40937636526714
1973	2.55988568235827
1974	2.50267229923428
1975	2.37404977711554
1976	2.22372185894254
1977	2.27518518699809
1978	2.36472241594331
1979	2.34775044955404
1980	2.43818084220933
1981	2.61657779088413
1982	2.74815261062407
1983	2.77315177674919
1984	2.6968421854847
1985	2.5594486822631
1986	2.38145109935686
1987	2.23242079826929
1988	2.16426092705197
1989	2.12438316860897
1990	2.12605906093885
1991	1.93654400062741
1992	1.84053318300066
1993	1.91082122823187
1994	1.91779795618604
1995	1.86669533165568
1996	1.75333998432405
1997	1.78774016644232
1998	1.87614402927933
1999	1.91507429803985
2000	1.90552404891968
2001	1.89925268099487
2002	1.85802653007171
2003	1.74653680101613
2004	1.66119164263389
2005	1.51797511096499
2006	1.21058994053819
2007	1.05111719423699
2008	0.887833017097369
2009	0.880093475599957
2010	1.1415513368569
2011	1.21893869127295
2012	1.24357124646827
2013	1.26715729721878
2014	1.24596020808779
2015	1.19106112723824
2016	1.23079535447054
2017	1.24972406577957
2018	1.16137846270492
2019	1.1131724900167
2020	1.14420974001656
2021	1.14931847631384
2022	1.0748367431585
2023	1.02746498713519