Annual annual %
1961 0.1861776315494139
1962 0.060637224764894075
1963 0.028517053803944113
1964 0.05673483400513512
1965 0.048368746671810105
1966 0.008517072385157958
1967 -0.0331565597153707
1968 -0.08532333799185908
1969 -0.07732125807087364
1970 0.09217330149180485
1971 0.5303829929311564
1972 0.6061068152217083
1973 0.6169590609309217
1974 0.5590862244836569
1975 0.4568715517486367
1976 0.3325799351611336
1977 0.2615647527882269
1978 0.2384238777653363
1979 0.2538231578628468
1980 0.3250360061879403
1981 0.4140305842737691
1982 0.5044464069011928
1983 1.107263899459388
1984 0.9994781100159447
1985 0.8315242104784916
1986 0.6384921891305817
1987 0.47804833696645527
1988 0.3918163670088486
1989 0.3839788352608703
1990 0.38069088057458333
1991 0.4056047433216135
1992 0.45923560475078995
1993 0.5206867347950593
1994 0.5358371347714346
1995 0.524105295609801
1996 0.4458865604072224
1997 0.37758269541378375
1998 0.35040576944679347
1999 0.26951746912086866
2000 0.1150244543822622
2001 0.006832120502200405
2002 0.0740111955859452
2003 0.09307149681046871
2004 0.09298495431542494
2005 0.08743633901023541
2006 0.07984556757066555
2007 0.032426473256671084
2008 -0.025149373968507523
2009 0.006248390942506525
2010 0.020008042825430287
2011 0.04284961038423455
2012 0.056340633951458226
2013 0.004739699646127429
2014 -0.10313919448571646
2015 -0.1947922786113514
2016 -0.29365660606729743
2017 -0.42299455493937266
2018 -0.5425037549909534
2019 -0.6352099708221893
2020 -0.5069015533608817
2021 -0.5265334876091581
2022 -0.8358727155439706
2023 -0.9292382211541272