1989

7.2

2020

6.8

1996

7.3

1958

7.7

1998

7.4

2003

6.0

2023

6.1

1968

0.0

1957

8.5

1966

7.7

1986

4.5

1976

0.0

1964

6.0

1952

5.0

1952

5.0

1978

6.8

2007

6.3

2012

3.5

1930

0.0

1967

7.3