各国の論文の構成比の推移

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http://data.nistep.go.jp/sti_indicator/2016/img4shou/4-1-09-B.gif
http://data.nistep.go.jp/sti_indicator/2016/img4shou/4-1-09-C.gif
http://data.nistep.go.jp/sti_indicator/2016/img4shou/4-1-09-D.gif
http://data.nistep.go.jp/sti_indicator/2016/img4shou/4-1-09-E.gif
http://data.nistep.go.jp/sti_indicator/2016/img4shou/4-1-09-F.gif
http://data.nistep.go.jp/sti_indicator/2016/img4shou/4-1-09-G.gif