Annual annual %
1961 1.3605459596234406
1962 1.2708673550504626
1963 1.2928125371587176
1964 1.3042499847241156
1965 1.3339274618202164
1966 1.3727333351409534
1967 1.4030184226953675
1968 1.4196358689973387
1969 1.4212014770562598
1970 1.4141331534893835
1971 1.4007479550435236
1972 1.381599255154552
1973 1.3353348298366126
1974 0.9965726036196687
1975 0.9005406251771143
1976 1.1485828307050048
1977 1.135730767512757
1978 0.8939826695133783
1979 0.6319035154904412
1980 0.731649880376522
1981 0.6079927428042013
1982 0.40685269080893677
1983 0.6026059935701813
1984 0.8272240326348747
1985 1.0585288439851177
1986 1.222583265159752
1987 1.3728374052894132
1988 1.5195445389965998
1989 1.751430834156108
1990 1.8586873428340103
1991 1.4285035417946952
1992 1.0066845337152968
1993 1.0357706949882295
1994 1.0641762044853602
1995 1.0578555537662677
1996 1.020737764219983
1997 0.9972985416183685
1998 0.9692528383740819
1999 0.8477937383895635
2000 0.8773515770096434
2001 1.1818753422905848
2002 1.3672659997248438
2003 1.374120969359477
2004 1.5650269917372714
2005 1.9891207773170347
2006 2.120491942292663
2007 2.0067472611143695
2008 1.836069843550941
2009 1.6621827138673777
2010 1.6571275287469558
2011 1.7436125905322108
2012 1.7085730730937931
2013 1.5856290804629505
2014 1.485637945961784
2015 1.2505252105961209
2016 1.030988234714994
2017 0.9960358230790592
2018 0.9599603892939768
2019 0.929798498145076
2020 0.9742240610440217
2021 1.050866834546718
2022 0.9727885562842061
2023 0.8646623165414508