Changes in the Price of Kitchen Detergent in Japan, 1970-2014
Ministry of Internal Affairs and Communications monitors the price of liquid type kitchen detergent monthly.
The data below show the changes in the price indexes of kitchen detergent between 1970 and 2014, if the price in 2010 is taken as 100.
| Year | Index (2010 = 100) | Price of a bottle of detergent (yen) |
| 1970 | 89.7 | 188 |
| 1971 | 89.5 | 188 |
| 1972 | 89.0 | 187 |
| 1973 | 89.4 | 188 |
| 1974 | 108.4 | 228 |
| 1975 | 122.0 | 256 |
| 1976 | 127.3 | 267 |
| 1977 | 133.4 | 280 |
| 1978 | 133.2 | 280 |
| 1979 | 133.2 | 280 |
| 1980 | 144.2 | 303 |
| 1981 | 154.6 | 325 |
| 1982 | 155.3 | 326 |
| 1983 | 156.1 | 328 |
| 1984 | 156.2 | 328 |
| 1985 | 156.2 | 328 |
| 1986 | 156.4 | 328 |
| 1987 | 155.6 | 327 |
| 1988 | 150.3 | 316 |
| 1989 | 142.5 | 299 |
| 1990 | 138.9 | 292 |
| 1991 | 140.7 | 295 |
| 1992 | 138.6 | 291 |
| 1993 | 135.7 | 285 |
| 1994 | 131.6 | 276 |
| 1995 | 126.8 | 266 |
| 1996 | 122.1 | 256 |
| 1997 | 119.4 | 251 |
| 1998 | 118.2 | 248 |
| 1999 | 116.1 | 244 |
| 2000 | 114.2 | 240 |
| 2001 | 111.4 | 234 |
| 2002 | 108.2 | 227 |
| 2003 | 105.4 | 221 |
| 2004 | 104.0 | 218 |
| 2005 | 102.4 | 215 |
| 2006 | 103.0 | 216 |
| 2007 | 110.3 | 232 |
| 2008 | 104.9 | 220 |
| 2009 | 103.9 | 218 |
| 2010 | 100.0 | 210 |
| 2011 | 98.0 | 206 |
| 2012 | 97.0 | 204 |
| 2013 | 98.1 | 206 |
| 2014 | 102.0 | 214 |
The next graph shows the changes in the kitchen detergent 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=000011288564
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