| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | 2015 | | | | | | | | | 2020 | | | | | | | | | | | | 2015 | 80％ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | 2011 | 8 | | | | 6 | 5 | | | 1.5 | | | | | | | | | | 5 | | | | | | | | | | | |