1950

8.1

1970

7.1

1943

8.2

2007

6.7

1970

6.8

1928

7.0

2015

0.0

2001

4.1

1984

6.6

2020

6.3

2001

7.3

1952

6.1

2009

5.1

2008

5.8

2021

0.0

2005

6.1

2014

5.9

1992

5.7

1941

6.0

2014

5.7