1979

9.8

1985

6.2

2004

6.8

1959

6.1

2007

7.4

1972

4.0

2023

7.2

1985

6.8

1988

5.6

2004

4.2

1973

6.8

1993

3.0

1980

5.0

1935

7.3

1942

7.1

1954

7.1

1999

6.8

2016

4.0

1951

7.0

1982

4.6