| | 1980 1997 | | 2011 | 2014 | | | 5.66 | 3.2 | 74 54 | 24 30 | 1525 | 139 1386 | 7000 4000 | | | | 14 | | | | | | 25 | | 10 | 8000 20000 | 10 | 8700 | 2000 | | | | | | | | | | | | | | | | | | | | | 2015 | | | | | 8 | 2017 | 2020 | | 4000 | 2 | 96％ | | | |