Year	annual %
1961	2.71675130165837
1962	2.74617352457544
1963	2.76502262074288
1964	2.78744682258673
1965	2.48501063159991
1966	2.34794789135738
1967	2.57341447769844
1968	2.6723791375248
1969	2.72107766834073
1970	2.70856557811281
1971	2.67059342228382
1972	2.63262496160996
1973	2.60351109549222
1974	2.56185276046071
1975	2.52215795384658
1976	2.489691100482
1977	2.45293416202066
1978	2.42883466339716
1979	2.4076663007879
1980	2.37932952200941
1981	2.34066633687342
1982	2.30844263861505
1983	2.26871796150833
1984	2.20569643602313
1985	2.10887582043187
1986	1.9966681756408
1987	1.92425957581405
1988	1.88061055652599
1989	1.83542933625866
1990	1.77829086687315
1991	1.74217749925866
1992	1.71013530352426
1993	1.67182800963408
1994	1.65068557714402
1995	1.63416751970142
1996	1.61881686064568
1997	1.60308930027037
1998	1.56493286270644
1999	1.50004294345816
2000	1.44708848408903
2001	1.4100988547982
2002	1.37351928060869
2003	1.33804389134874
2004	1.27322648868512
2005	1.26074829560286
2006	1.29930889873663
2007	1.31184759614566
2008	1.30217053507895
2009	1.27153208994292
2010	1.25151729140412
2011	1.25573808861315
2012	1.25594145835811
2013	1.21281780987831
2014	1.15950664180271
2015	1.1108549322781
2016	1.05894205868913
2017	1.00643952446092
2018	0.966206435866139
2019	0.937689273635294
2020	0.840389268128048
2021	0.694717688319757
2022	0.636555115146439
2023	0.735139895418266