1993

5.2

1995

5.2

2003

6.6

2007

8.0

2012

3.5

1943

5.9

2020

6.0

2022

0.0

1960

6.3

1955

6.2

1952

5.2

1991

3.9

2017

5.7

1917

0.0

1992

6.5

2016

5.0

2004

5.8

2016

6.2

1982

0.0

2011

6.1