???????????????????
?????68???????10???????845, and 300??
??????????80???
??????????????????2010??????????3.8%
?????????????????
???????????????????????
??????203, tadalafil 800????2010??????23.6%
??????????20????????????????
?????????19.6%???189,700??????????
???????????????????
????????2010??????25.5%??????????????
???????????????????????????????
??????????????362,500????2010???????3.1%???
??????
http://www.jnto.go.jp/jpn/news/data_info_listing/pdf/120817_monthly.pdf