年份

建立

撤离

年份

建立

撤离

1979

17/6

21/10

1999

16/6

15/10

1980

7/6

16/10

2000

5/6

18/10

1981

18/6

9/10

2001

3/6

13/10

1982

11/6

4/10

2002

15/6

3/10

1983

19/6

20/10

2003

14/6

17/10

1984

5/6

5/10

2004

12/6

11/10

1985

6/6

14/10

2005

18/6

19/10

1986

14/6

11/10

2006

1/6

15/10

1987

6/6

9/10

2007

14/6

18/10

1988

13/6

29/10

2008

9/6

12/10

1989

13/6

23/9

2009

30/6

18/10

1990

5/6

24/10

2010

2/6

26/9

1991

5/6

18/10

2011

12/6

9/10

1992

19/6

20/9

2012

8/6

9/10

1993

16/6

14/10

2013

9/6

20/10

1994

8/6

3/10

2014

10/6

21/10

1995

11/6

16/10

2015

9/6

12/10

1996

12/6

14/10

2016

5/6

28/10

1997

23/6

1/10

2017

12/6

30/10

1998

8/6

30/10