1979

6.7

1985

5.3

1957

7.4

2020

5.5

1965

7.4

1972

7.3

2022

7.9

1995

5.9

2005

5.9

2014

5.4

1981

6.4

1980

7.2

2015

6.1

2002

7.5

1988

7.1

2023

6.4

1979

6.6

1947

7.3

1953

7.7

2006

6.1