1994

8.3

1980

5.3

1981

5.4

1998

7.1

1993

6.2

1993

4.5

1967

7.3

1984

6.8

1997

5.2

1986

4.7

1998

7.0

1930

3.5

1959

6.9

2002

6.0

1986

5.3

2007

6.4

2022

5.6

1988

7.1

1986

7.1

1978

6.2