2015

9.8

1988

7.2

2008

8.7

2025

6.9

1952

6.8

2001

6.1

2014

7.8

1994

8.1

1949

7.5

1958

7.0

1979

7.5

1959

7.8

1964

7.9

2009

7.5

2021

8.2

1984

7.1

1918

7.3

2009

7.9

1969

6.2

2020

6.1