1987

6.8

1975

7.8

1997

5.3

1970

7.2

2023

0.0

2023

3.5

2023

6.6

1983

6.1

2022

6.4

1968

6.5

2009

7.2

1971

6.8

1960

8.4

1954

8.4

1956

7.5

2003

7.7

2005

7.0

2017

6.4

1996

7.7

1946

6.0