年1980 1981 1982 1983 1984 1985 1986 1987 1988 1989
93.38 96.11 97.79 98.72 100.17 101.43 103.07 102.91 103.55 105.73
年1990 1991 1992 1993 1994 1995 1996 1997 1998 1999
108.49 111.66 113.52 114.17 114.42 113.82 113.32 113.89 113.86 112.44
年2000 2001 2002 2003 2004 2005 2006 2007 2008 2009
110.94 109.74 108.21 106.47 105.27 104.02 103.12 102.39 101.46 100.88
年2010 2011 2012 2013 2014 2015 2016 2017 2018 2019
98.98 97.38 96.64 96.30 97.92 99.99 100.41 100.34 100.34 100.97
年2020 2021 2022 2023
101.93 101.70 101.95 105.62