| | | | | | | | | | | 7 21 | | | ; | | | ; | | | | | | | ︽ | ︾ | | | | | | | | | | | | | | | | | | | | | | | | | | 100 | | | | | | | | | | | | | | | | | | | | | | | | | | 2017 | 60% 80% | | | | | | ︽ | ︾ ︽ | ︾ | | 7 | | | ︽ | ︾ | | | | | | | | | ︽ ︾ | | | |