Year	annual %
1961	1.91380511041138
1962	1.94948638497975
1963	1.96499368924265
1964	1.97460461707926
1965	2.00850728859851
1966	2.04009764777175
1967	2.23228183347997
1968	2.48751522634952
1969	2.58870655489272
1970	2.65468089805681
1971	2.73308330368717
1972	2.81897249837043
1973	2.9010622421884
1974	2.98501750682386
1975	3.01497222759846
1976	3.08508661247616
1977	3.18343911215007
1978	3.22950404294873
1979	3.25396364391169
1980	3.15750082691376
1981	2.89913657896115
1982	2.64730315289589
1983	2.58379822482721
1984	2.63993906802335
1985	2.69429798508664
1986	2.73556609373971
1987	2.76380856577564
1988	2.77871229050757
1989	2.78250159258561
1990	2.71204098414926
1991	2.55522285350758
1992	2.3933667566365
1993	2.25435931996563
1994	2.16918056496723
1995	2.14834669314402
1996	2.15294272982638
1997	2.15054304118003
1998	2.14035312852964
1999	2.01157586446852
2000	1.94042775607481
2001	2.02552063213452
2002	2.04310008455716
2003	1.96308566673178
2004	1.915137697063
2005	1.96439041104988
2006	2.00033228573184
2007	2.00423062675791
2008	2.0172880272233
2009	2.04777262901454
2010	2.08414518723241
2011	2.11863032791113
2012	2.13823935913559
2013	2.14467454892257
2014	2.15269220591586
2015	2.16006427268952
2016	2.1696163026429
2017	2.04689697470843
2018	1.90502758147562
2019	1.87244791212477
2020	1.90094081397491
2021	1.89944099480128
2022	1.82699354985146
2023	1.81205290418229