2015????2???????????11?????????????????164?????????????41%????11??????????1800????11??????????????400?????????12??????????????????????2000???
?????????????11????????????1??2??????????11???41??????10????????????????????????????????????12???????11?????????????
???????????????????????????????????????????????????????????????????75%?????????????????????????????11??????????
??????????????100%?????????????????66%?
???????????????????????????????????????????????????
12????????????5???????2000?????????????2020??????????200?????
http://www.jnto.go.jp/jpn/news/data_info_listing/pdf/avrsih000005ivl8-att/151216_monthly.pdf