Cost of Living and Price Reports from Tokyo, Japan. You can download the Excel list of items+prices I posted.

English translation of the monthly report "Retail prices of major products in Tokyo" published by Tokyo Metropolitan government can be downloaded also.

Table of Contents of Statistics/Rankings/Graphs is here.

Changes in the Prices of Taros in Japan, 1970-2014

Ministry of Internal Affairs and Communications monitors the price of taros monthly.

f:id:nbakki:20150824225737j:plain

The data below show the changes in the price indexes of taros between 1970 and 2014, if the price in 2010 is taken as 100. The price is in a long-term rising trend.

f:id:nbakki:20150824225601p:plain

Year Index (2010 = 100) Price of 1kg taros (yen)
1970 25.6 141
1971 27.2 150
1972 23.5 129
1973 39.9 219
1974 60.2 331
1975 52 286
1976 47.6 262
1977 44.7 246
1978 65.6 361
1979 66.9 368
1980 43.1 237
1981 69.7 383
1982 79.2 436
1983 64.3 354
1984 72.8 400
1985 74.2 408
1986 67.4 371
1987 66.8 367
1988 64.8 356
1989 72.8 400
1990 100.8 554
1991 105 578
1992 86 473
1993 112.6 619
1994 103.2 568
1995 105.6 581
1996 104.8 576
1997 90.7 499
1998 82.9 456
1999 83 457
2000 85.4 470
2001 84.6 465
2002 88.3 486
2003 87 479
2004 82.1 452
2005 81.8 450
2006 101.3 557
2007 106.9 588
2008 110.7 609
2009 95.2 524
2010 100 550
2011 109.6 603
2012 100 550
2013 105.6 581
2014 128.4 706

The next graph shows the changes in 1 kg taros price from 1970 to 2014.

f:id:nbakki:20150824225804p:plain

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

Related Topics

Table of Contents of Statistics/Rankings/Graphs is here.

In terms of the cost of living information, you can download the Excel price list of goods I posted.

English translation of the monthly report "Retail prices of major products in Tokyo" published by Tokyo Metropolitan government can be downloaded also.