Year	annual %
1961	4.674747575927066
1962	4.6845607128978255
1963	4.3840601428265185
1964	4.104007324753967
1965	4.118128452521896
1966	4.1401051744275
1967	4.052641598738543
1968	4.005976996039777
1969	4.029729587643558
1970	4.058285405825755
1971	3.8605517809363175
1972	3.6283109744179196
1973	3.605284153706873
1974	3.1484918190985507
1975	2.8164292192669222
1976	2.6327035809173465
1977	2.67450397479088
1978	3.035101673447492
1979	3.3668300685957733
1980	3.351368091892183
1981	2.7810115177095347
1982	2.611884636554061
1983	2.595742494010095
1984	2.5791271723411184
1985	2.536016863170065
1986	2.473290519954616
1987	2.4177324136434337
1988	2.024493370810903
1989	1.6337076697208828
1990	1.5917345881683884
1991	1.5783955580288098
1992	2.168718223408634
1993	2.7467487895739975
1994	2.361011105293266
1995	-0.5660630571852171
1996	-1.9902426179816752
1997	-2.0984352109565663
1998	-2.1934545286931564
1999	-2.3332509189846404
2000	-1.7051626405405855
2001	0.21224203550294063
2002	0.03999520110906314
2003	-0.16808744502615292
2004	-0.3289872576085941
2005	-0.44706762341336903
2006	-0.6032773322116268
2007	-0.733679006385432
2008	-0.7844465960587453
2009	-0.7989610525548813
2010	-0.29136336949296354
2011	0.3079870915826055
2012	0.4064203329942904
2013	0.4871815093925403
2014	0.574950249126112
2015	0.6571318110285778
2016	0.7336433205655396
2017	0.8204679230359507
2018	0.8693973006133439
2019	0.8855212829732544
2020	1.1777040085177515
2021	1.4979240043610673
2022	1.5513029246256105
2023	1.6204534736853613