1943

6.8

1985

5.8

2009

7.0

2009

4.2

1992

6.2

2018

6.9

2014

6.6

2003

6.4

2017

4.8

2024

6.5

1927

7.2

1913

0.0

2014

5.2

1926

0.0

2012

4.8

1988

5.6

1999

6.5

1997

6.6

1931

6.7

1994

7.1