Year	annual %
1961	2.41360641747295
1962	2.40701163765011
1963	2.41020898890145
1964	2.41003224591051
1965	2.39485321453537
1966	2.36856965968395
1967	2.37246241295944
1968	2.35563958053969
1969	2.27324943747011
1970	2.19987869293945
1971	2.12344791973226
1972	2.03225659447892
1973	1.95741643986543
1974	1.86961123857069
1975	1.80644958228371
1976	1.79380731477112
1977	1.77339095877297
1978	1.79024296556192
1979	1.82558187092518
1980	1.7773740614297
1981	1.69381152569833
1982	1.56565359783297
1983	1.41294193826491
1984	1.35827067393967
1985	1.37503548842946
1986	1.3925228503804
1987	1.39447301922187
1988	1.36011130065468
1989	1.28444487532527
1990	1.24886002036999
1991	1.2276166000131
1992	1.18639949607907
1993	1.13487036996504
1994	1.0387746178513
1995	0.916453688368816
1996	0.794161380909098
1997	0.68866951973823
1998	0.603488664199439
1999	0.588824911399156
2000	0.565924638324724
2001	0.763488078116277
2002	1.00146555030075
2003	1.00210952728229
2004	0.965377800187379
2005	0.936752886822428
2006	0.995543083594748
2007	1.04107236247173
2008	1.02560839468499
2009	0.965634566813524
2010	0.904381981259747
2011	0.920756933062761
2012	0.751749909210563
2013	0.543830440686779
2014	0.508369830959759
2015	0.45678230624613
2016	0.415306725656826
2017	0.378824726327831
2018	0.755904689076255
2019	0.611875945764341
2020	0.530626559530355
2021	1.07544995696428
2022	0.112772639779474
2023	-0.651320770103285