Year	annual %
1961	2.32430259481842
1962	2.39216569535363
1963	2.44155017473533
1964	2.47516842793677
1965	2.50010652316175
1966	2.51113215271419
1967	2.51449196822002
1968	2.51549789522301
1969	2.52731228666856
1970	2.56138396509594
1971	2.59698454535762
1972	2.61466037807186
1973	2.62608775833674
1974	2.63151194650023
1975	2.62905200962032
1976	2.63839120415611
1977	2.65930944462214
1978	2.6696888149444
1979	2.67744128648283
1980	2.69915839211273
1981	2.72533942483232
1982	2.7358158124778
1983	2.74705736558148
1984	2.7282829316494
1985	2.64892301829846
1986	2.61744797669467
1987	2.569479931273
1988	2.52689904576332
1989	2.43579368450095
1990	2.2497645204013
1991	-5.28818555159151
1992	-5.96418551668818
1993	3.0887728057642
1994	3.03612930618359
1995	5.46458079635181
1996	4.83450479218313
1997	1.2067841093189
1998	1.35198753803808
1999	1.44145869854362
2000	1.53299543125693
2001	2.84467152232301
2002	3.41382758677749
2003	4.07554152440981
2004	4.0529646475642
2005	2.45208243654581
2006	1.69340467080078
2007	1.58711319244676
2008	2.68430517830464
2009	2.56543695688394
2010	2.04894664970192
2011	1.88330360533393
2012	1.39398056061833
2013	1.33675062099253
2014	0.817492473750786
2015	0.49767257206961
2016	0.754064581294597
2017	0.935971649156141
2018	1.41594960093608
2019	1.53927354632927
2020	1.61739994313834
2021	1.7961013366299
2022	1.74475945969517
2023	1.74549257972489