1959

5.5

2015

6.1

2019

7.1

1937

6.4

1988

7.5

2011

6.4

2008

6.7

2015

6.6

2020

6.4

2020

6.4

2024

7.2

1985

6.8

6.6

1975

7.0

2018

6.3

6.6

1996

6.5

2024

6.0

1972

6.6

7.0