Year	annual %
1961	2.7557867817758357
1962	2.765277312489153
1963	2.7651951486597204
1964	2.752662181497288
1965	2.7312694064172565
1966	2.6993073972133663
1967	2.7214485222055598
1968	2.703325455316145
1969	2.5729913761095258
1970	2.1902518286035515
1971	0.8938658810076858
1972	1.061318743651456
1973	2.197492338296046
1974	1.9752957731910592
1975	1.4884922528799558
1976	1.2597280147929875
1977	1.229409879697469
1978	1.2278109154474646
1979	1.1132084934052753
1980	1.0966469818015114
1981	1.4946148931438845
1982	2.2588286544099447
1983	2.2718261155792567
1984	2.180933540177211
1985	2.0323806290868607
1986	1.8406234584708085
1987	1.6776237487492265
1988	1.594046191855731
1989	1.542221054618229
1990	1.5280179466868897
1991	1.3788052202242842
1992	1.3968787903160123
1993	1.461392911238724
1994	1.4587154626593113
1995	1.401663988036537
1996	1.2784381861093626
1997	1.3067034498878467
1998	1.3850102878359283
1999	1.4163069696379162
2000	1.3990215655980585
2001	1.2348332958973753
2002	0.9847052566507651
2003	0.8480892740871127
2004	0.7383584978178133
2005	0.5728853423280831
2006	0.2385490092696254
2007	0.05281360501551173
2008	-0.13602060813385317
2009	-0.16857791943295564
2010	0.06451071692834513
2011	0.11563333004625401
2012	0.12060469303724865
2013	0.1299493925046945
2014	0.08965264891883952
2015	0.021227795531494495
2016	0.04403279866597203
2017	0.04870817040327465
2018	-0.05265802643674489
2019	-0.11418808712741413
2020	-0.09678357716102433
2021	-0.1023569443608277
2022	-0.18606786915890183
2023	-0.24450312251646233