1992

7.5

1984

5.0

1995

7.9

1994

7.0

2003

4.6

1981

7.0

1978

0.0

1983

6.3

1986

5.1

1983

0.0

1991

5.4

1986

7.3

1981

3.7

1986

5.2

1970

7.1

1986

0.0

2000

5.3

2007

6.5

2001

6.7

1997

1.0

1998

8.3

1979

5.6

1992

6.0

2003

7.6

2022

7.7

2000

4.0

1990

7.0