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Aichi prefecture (Chuubu area)June 2017
Hokkaido (northernmost of the four main islands of Japan)June 2015
Iwate prefecture (Tohoku area)June 2015
Tochigi prefecture (Kantou area)June 2012~.
Miyazaki prefecture (Kyushu)June 2009 - February 2010
Tottori prefecture (Chuugoku area)June 2005
Okinawa prefecture (including Okinawa island)June 2003 - October 2003
Miyazaki prefecture (Kyushu)June 2003 - December 2003
Kumamoto prefecture (Kyushu)June 2002
Gifu prefecture (Chuubu area)July 2015
Fukuoka prefecture (Kyushu)July 2014
Hokkaido (northernmost of the four main islands of Japan)July 2012 - October 2012
Wakayama prefecture (Kinki area)July 2012
Kouchi (Kochi) prefecture (Shikoku)July 2010
Kouchi (Kochi) prefecture (Shikoku)July 2007
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