Year	annual %
1961	4.696875154859569
1962	4.655007059890082
1963	4.754844922867392
1964	4.823064284629325
1965	4.869163262271428
1966	4.844716385770639
1967	4.968511124718148
1968	5.009139560774798
1969	5.025091536694035
1970	4.92540650391966
1971	4.959527580801719
1972	4.964005128720501
1973	5.072895218101252
1974	5.07941581844986
1975	3.4117964613627123
1976	5.148126693379027
1977	5.113274167297348
1978	5.228224366391899
1979	5.128103747627449
1980	5.210502889268611
1981	5.026898553282933
1982	4.508889812128203
1983	4.5673534045268696
1984	4.61417523590832
1985	4.700933183133245
1986	4.679813349215792
1987	4.636148162018344
1988	4.555970691304239
1989	4.470980495365893
1990	4.405813151228102
1991	4.058379945118531
1992	3.9993349579700492
1993	4.02006394028713
1994	3.9703447527897424
1995	3.8726587015719645
1996	3.749268316051797
1997	3.7188171057656945
1998	3.695218457510464
1999	3.655680779728044
2000	3.6954008590015235
2001	3.916541091484021
2002	3.941642825361427
2003	3.8804182589019973
2004	3.819011728292949
2005	3.815406853295997
2006	3.841048501033356
2007	3.7638261089630163
2008	3.844550657319189
2009	3.815202450654624
2010	3.891980401362275
2011	3.7717325527683414
2012	3.581706781271194
2013	3.4385743630238323
2014	3.411367707650797
2015	3.5100335066116486
2016	3.5681198513102004
2017	3.6080981677011152
2018	3.6313755546589164
2019	3.655703520347828
2020	3.6689905028024015
2021	3.6483376381551693
2022	3.6251445404098774
2023	3.6401620902752256