1994

6.5

1996

7.3

1998

6.4

2002

6.3

1994

6.8

1977

8.2

2001

7.2

1986

7.2

1989

5.7

1991

7.0

1982

7.5

1984

6.6

1987

7.8

1979

6.5

2002

7.6

2023

10.0

2001

6.2

2001

6.8

2000

5.1

2000

5.2