2012

8.7

2020

6.0

2020

6.7

1937

6.8

2006

7.2

2021

9.2

2017

10.0

8.0

1975

4.2

1967

6.5

1962

4.5

1964

7.4

1972

7.4

1993

7.3

1988

5.6

2016

5.5

2018

5.0

2009

7.4

2005

8.6