Year	annual %
1961	1.603897322656735
1962	1.9461333004609571
1963	1.9350272393837287
1964	1.8876673720256747
1965	1.7910337690680223
1966	1.6452274969217342
1967	1.5122103898405328
1968	1.5015158026407533
1969	1.5454378190705
1970	1.6279034561409702
1971	1.7620999776558364
1972	1.8253938846948898
1973	1.8277863416629856
1974	1.7487424948220394
1975	1.7934390015964965
1976	1.9330191856506076
1977	2.0077407880693983
1978	1.9654929258203708
1979	1.969254833478189
1980	1.952736439286511
1981	1.8367563562389648
1982	1.7957475229302133
1983	1.7623296157688344
1984	1.757648032260633
1985	1.8868062643139183
1986	1.9664524931314133
1987	2.0074899843233
1988	2.0456391950154114
1989	2.05843841684532
1990	2.1216032732785663
1991	2.074790184014603
1992	0.8547893790917556
1993	0.6002786332018673
1994	0.9472534553476066
1995	0.8878328074595032
1996	1.2608928695803172
1997	1.3655616842857938
1998	1.371770441410348
1999	1.5262850063265603
2000	1.486350491790489
2001	1.351814356201416
2002	1.3510165440095534
2003	1.340642596254881
2004	1.4999833578383175
2005	1.6344270028652517
2006	1.6603020556283496
2007	1.6812160469779798
2008	1.6656409226403497
2009	1.5736440731134707
2010	1.2638552447462814
2011	0.9059361080225585
2012	1.0414075975529329
2013	1.2398160721512426
2014	1.369889279024548
2015	1.414167112787169
2016	1.343539717199988
2017	1.3678224206723257
2018	1.2576890023177754
2019	1.0460897784421093
2020	0.7417330968033156
2021	0.6547157828386219
2022	1.0870906009954808
2023	1.0317188415751986