Year	annual %
1961	2.45437471283887
1962	2.99995106761447
1963	3.3384325332068
1964	3.32863665937102
1965	3.3551913089338
1966	3.36850450999806
1967	3.38628472564627
1968	3.41756396061969
1969	3.44162399425746
1970	3.46995143149145
1971	3.44195318840423
1972	3.41125763667553
1973	3.4131780632672
1974	3.35552366379312
1975	3.27643847794348
1976	3.2328731630656
1977	3.28599801229821
1978	3.32718012429031
1979	3.17928334897426
1980	3.12098745575255
1981	2.986380721467
1982	2.80672227281537
1983	2.96946525668905
1984	3.12629806873681
1985	2.42101931421202
1986	2.47247280987979
1987	2.74734620894135
1988	2.31853630550079
1989	2.64462026819099
1990	1.22955982403631
1991	1.05900596016074
1992	2.97711455412806
1993	4.83166684816588
1994	4.81712400370142
1995	3.40245056118517
1996	3.24284505977524
1997	3.14529632758924
1998	3.18515331886969
1999	3.2739296689177
2000	3.33624669433987
2001	3.18401734533544
2002	3.2110492891941
2003	3.05131116311828
2004	2.87715845950826
2005	2.96970606467236
2006	0.718432208523802
2007	-0.850221916193164
2008	1.92646265531762
2009	3.5987933376422
2010	3.17093320217157
2011	3.4985800882497
2012	4.4884639176917
2013	4.6654185971967
2014	3.50227675046767
2015	2.71497647013538
2016	2.45940250005547
2017	2.35769232939234
2018	2.41756068668666
2019	2.36838831392184
2020	2.36211183923937
2021	2.26888921028968
2022	2.18691693437269
2023	2.24105014081182