Year	annual %
1961	1.29599207817955
1962	1.19534868258166
1963	1.18709788603662
1964	1.24310118972061
1965	1.25548931237631
1966	1.24161809859808
1967	1.22365430903389
1968	1.20069534176183
1969	1.22881070964385
1970	1.32530083610088
1971	1.44463445919153
1972	1.53397430328136
1973	1.55527417444215
1974	1.50811490541364
1975	1.41853481746318
1976	1.30895738341083
1977	1.24577651806603
1978	1.2360715406651
1979	1.26341944332692
1980	1.3487117647391
1981	1.44630749948743
1982	1.509282673142
1983	1.49700881643356
1984	1.39267790105118
1985	1.22627671807335
1986	1.03479709055413
1987	0.875908092582014
1988	0.791298188886025
1989	0.785085787110084
1990	0.78335984523667
1991	0.825875856700541
1992	0.937065618118952
1993	1.00081838536713
1994	1.01634538906672
1995	1.00890923271719
1996	0.932999989691165
1997	0.867169704732637
1998	0.842367313769332
1999	0.761829204738964
2000	0.611850749006637
2001	0.504047760220551
2002	0.487837447460561
2003	0.483356775927262
2004	0.48906495556364
2005	0.480782489174805
2006	0.476920503498281
2007	0.42891014375515
2008	0.375125564741813
2009	0.405906286917041
2010	0.421348654823536
2011	0.447915144043708
2012	0.495752366688783
2013	0.481191238304142
2014	0.410748099114478
2015	0.354975145947794
2016	0.294793625837463
2017	0.202492605820257
2018	0.123091479545611
2019	0.0688992221522009
2020	0.236519557799568
2021	0.257040921915097
2022	-0.0112465411699634
2023	-0.0648514304106601