Japanese government monitors the price of vinegar every month.
The following data show the changes in the price indexes of vinegar between 1970 and 2014, if the price in 2010 is taken as 100.
| Year | Index (2010 = 100) | Price of 500ml vinegar (yen) |
| 1970 | 45.9 | 89 |
| 1971 | 47.8 | 93 |
| 1972 | 52.1 | 101 |
| 1973 | 54.6 | 106 |
| 1974 | 68.9 | 134 |
| 1975 | 82.5 | 160 |
| 1976 | 83.0 | 161 |
| 1977 | 83.0 | 161 |
| 1978 | 82.4 | 160 |
| 1979 | 81.7 | 158 |
| 1980 | 85.3 | 165 |
| 1981 | 89.3 | 173 |
| 1982 | 89.3 | 173 |
| 1983 | 88.5 | 172 |
| 1984 | 88.4 | 171 |
| 1985 | 88.1 | 171 |
| 1986 | 87.9 | 171 |
| 1987 | 87.9 | 171 |
| 1988 | 86.9 | 169 |
| 1989 | 88.1 | 171 |
| 1990 | 90.6 | 176 |
| 1991 | 96.2 | 187 |
| 1992 | 96.3 | 187 |
| 1993 | 95.7 | 186 |
| 1994 | 96.2 | 187 |
| 1995 | 95.6 | 185 |
| 1996 | 95.6 | 185 |
| 1997 | 97.6 | 189 |
| 1998 | 98.0 | 190 |
| 1999 | 97.5 | 189 |
| 2000 | 97.2 | 189 |
| 2001 | 96.9 | 188 |
| 2002 | 96.0 | 186 |
| 2003 | 95.2 | 185 |
| 2004 | 93.6 | 182 |
| 2005 | 93.4 | 181 |
| 2006 | 92.6 | 180 |
| 2007 | 92.9 | 180 |
| 2008 | 95.9 | 186 |
| 2009 | 102.4 | 199 |
| 2010 | 100.0 | 194 |
| 2011 | 99.2 | 192 |
| 2012 | 98.5 | 191 |
| 2013 | 96.0 | 186 |
| 2014 | 97.8 | 190 |
The next data show the changes in 500ml vinegar price from 1970 to 2014.
Source is Statistics Bureau. 消費者物価指数 (CPI) 結果
www.stat.go.jp/data/cpi/historic.htm
www.e-stat.go.jp/SG1/estat/Csvdl.do?sinfid=000011288549
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