1953

7.2

1972

7.9

2020

6.7

1985

6.1

2018

8.0

1996

6.5

1982

7.6

1999

8.4

1980

5.9

1959

8.0

1966

6.1

2018

7.7

1946

7.2

2015

6.1

1983

7.5

2024

8.1

2011

6.4

2007

7.4

2020

6.5

2009

7.5