2007

7.2

2021

9.2

2013

8.1

2024

7.2

6.0

1964

7.4

1989

5.3

2018

7.1

2016

7.2

2010

6.6

1941

6.2

1982

7.6

2015

6.0

1975

7.5

1934

7.3

1993

6.9

1955

6.2

2014

7.1

2022

7.0