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Yamagata prefecture (Tohoku area)Year 2020
Fukushima prefecture (Tohoku area)Year 2020
Ibaraki prefecture (Kantou area)May 2019
Ibaraki prefecture (Kantou area)May 2018
Ibaraki prefecture (Kantou area)March 2020
Ibaraki prefecture (Kantou area)December 2018
Ibaraki prefecture (Kantou area)2017
Ibaraki prefecture (Kantou area)2014
Nagano prefecture (Chuubu area)2013
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