· | 21 | · | | | | | | | ■ | | 21 | | | 21 6 · | | | | · | | | | · | | | | | | | · | · | | | | | | · | | · | | | | ■ | | · 1989 · | | | | | | | | 1989 · 2014 | | 10 | | | | · · | | | | | | | | | | | | | | ■ | | · | 70 | | | | | | · | | · | | · | | | · | | | | | | | | | | |