Ministry of Internal Affairs and Communications monitors the house cleaning fee monthly.
The data below show the changes in the price indexes of house cleaning fee between 1970 and 2014, if the price in 2010 is taken as 100.
| Year | Index (2010 = 100) | Price of a house cleaning service (yen) |
| 1970 | 17.3 | 2,870 |
| 1971 | 20.5 | 3,401 |
| 1972 | 22.5 | 3,733 |
| 1973 | 25.3 | 4,197 |
| 1974 | 30.5 | 5,060 |
| 1975 | 36.8 | 6,105 |
| 1976 | 41.4 | 6,868 |
| 1977 | 45.6 | 7,565 |
| 1978 | 49.2 | 8,162 |
| 1979 | 52.5 | 8,710 |
| 1980 | 56.2 | 9,324 |
| 1981 | 59.4 | 9,854 |
| 1982 | 62.4 | 10,352 |
| 1983 | 64.2 | 10,651 |
| 1984 | 65.8 | 10,916 |
| 1985 | 67.8 | 11,248 |
| 1986 | 69.8 | 11,580 |
| 1987 | 71.9 | 11,928 |
| 1988 | 73.6 | 12,210 |
| 1989 | 75.6 | 12,542 |
| 1990 | 78.5 | 13,023 |
| 1991 | 82.1 | 13,620 |
| 1992 | 85.9 | 14,251 |
| 1993 | 88.9 | 14,749 |
| 1994 | 90.5 | 15,014 |
| 1995 | 91.3 | 15,147 |
| 1996 | 91.7 | 15,213 |
| 1997 | 92.4 | 15,329 |
| 1998 | 93.3 | 15,478 |
| 1999 | 94.0 | 15,595 |
| 2000 | 94.8 | 15,727 |
| 2001 | 95.4 | 15,827 |
| 2002 | 95.4 | 15,827 |
| 2003 | 95.9 | 15,910 |
| 2004 | 96.1 | 15,943 |
| 2005 | 96.6 | 16,026 |
| 2006 | 97.2 | 16,125 |
| 2007 | 98.5 | 16,341 |
| 2008 | 99.4 | 16,490 |
| 2009 | 99.6 | 16,524 |
| 2010 | 100.0 | 16,590 |
| 2011 | 100.1 | 16,607 |
| 2012 | 100.2 | 16,623 |
| 2013 | 100.5 | 16,673 |
| 2014 | 100.9 | 16,739 |
The next graph shows the changes in the cleaning fee 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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