2011

9.5

2012

6.2

1989

9.2

2011

9.1

2019

6.6

2009

7.5

2020

6.8

1985

7.2

1952

7.0

1970

6.4

2020

5.5

2007

7.7

2024

7.0

2021

6.2

2007

4.6

1977

6.5

2015

5.8

1928

7.3

2005

5.8

1988

5.4