http://www.jla.or.jp/Portals/0/data/iinkai/%E5%9B%B3%E6%9B%B8%E9%A4%A8%E8%AA%BF%E6%9F%BB%E4%BA%8B%E6%A5%AD%E5%A7%94%E5%93%A1%E4%BC%9A/toukei/%E5%85%AC%E5%85%B1%E7%B5%8C%E5%B9%B4%202016.pdf