1

1

1998.12

2

2

3

1

1998

4

2

1998.2

5

1

1997.8

6

1

2000.5

7

1

2006.1

8

1

2006.4

9

1

2006.2

10

1

2006.6

11

1

2006.6

12

2

1989.6

13

1

14

2

1999.8

15

1

1993.11

16

1

2000

17

1

1993

18

1

1999.1

19

1

1999

20

2

2001.9