umm.. you're asking for voters, aka taxpayers, opinion without any providing any details.. ._.
It would be 'helpful' to know how much Japan pays, in total amount and therefore overall percentage, and how does that compare with contributions made by other countries.. South Korea and Germany for example?
Hint, as comment above shared, see: http://mainichi.jp/english/articles/20160530/p2a/00m/0na/017000c
Meanwhile, note JSDF ranking, search via Wikipedia: List-of-Countries-by-Military-Strength-Index
Sadly, FUD as usual.. with laser focus on costs and zero consideration regarding benefits.. #_#
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