2014???????????????????12???????????123?6?????????????12?????????4????????1, cost 341?4????????????13???????3?????????????????????
???12?????????123?6???????????43????????3??????10??????100????????????????3?????????????????????????????????
?5?????????????????????????????????????????10?????10?6????????????????????????????????????????20???????????
???????5?????????????????????????????????280?????????10????????????1?????3????????????????83.3???????????????????????????????4???????6??????????????2015?????????
?????????????????616?????????4???????????????????????????????2015?????????2014???????4???????????7??????????????2015??????10%???????
???http://www.jnto.go.jp/jpn/news/data_info_listing/pdf/150120_monthly.pdf
