Changes in the Prices of Potatoes in Japan, 1970-2014
Ministry of Internal Affairs and Communications monitors the price of potatoes monthly.
The data below show the changes in the price indexes of potatoes between 1970 and 2014, if the price in 2010 is taken as 100. The price is in a rising trend.
| Year | Index (2010 = 100) | Price of 1kg potatoes (yen) |
| 1970 | 30 | 105 |
| 1971 | 19.7 | 69 |
| 1972 | 22.9 | 80 |
| 1973 | 31.5 | 110 |
| 1974 | 40.5 | 141 |
| 1975 | 39.5 | 138 |
| 1976 | 40.8 | 142 |
| 1977 | 43.2 | 151 |
| 1978 | 45.8 | 160 |
| 1979 | 45.5 | 159 |
| 1980 | 55.5 | 194 |
| 1981 | 68 | 237 |
| 1982 | 57.9 | 202 |
| 1983 | 54.4 | 190 |
| 1984 | 69.2 | 242 |
| 1985 | 53.1 | 185 |
| 1986 | 61.2 | 214 |
| 1987 | 62.2 | 217 |
| 1988 | 62.2 | 217 |
| 1989 | 58.9 | 206 |
| 1990 | 67.3 | 235 |
| 1991 | 85.7 | 299 |
| 1992 | 72 | 251 |
| 1993 | 74.2 | 259 |
| 1994 | 71.9 | 251 |
| 1995 | 79 | 276 |
| 1996 | 81.4 | 284 |
| 1997 | 72.6 | 253 |
| 1998 | 79.2 | 276 |
| 1999 | 85.7 | 299 |
| 2000 | 80.1 | 280 |
| 2001 | 78.8 | 275 |
| 2002 | 68.4 | 239 |
| 2003 | 78.4 | 274 |
| 2004 | 81 | 283 |
| 2005 | 83.9 | 293 |
| 2006 | 81.7 | 285 |
| 2007 | 78.2 | 273 |
| 2008 | 78.9 | 275 |
| 2009 | 87.2 | 304 |
| 2010 | 100 | 349 |
| 2011 | 103.6 | 362 |
| 2012 | 88.7 | 310 |
| 2013 | 88 | 307 |
| 2014 | 93.3 | 326 |
The next graph shows the changes in 1 kg potatoes 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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