1970

6.4

1988

6.0

2010

6.8

2015

6.2

2024

0.0

1965

7.4

2013

6.8

1942

6.8

2012

6.6

1971

3.9

2015

6.0

2024

10.0

2024

0.0

1927

8.1

2018

5.8

1955

6.0

1974

6.1

2009

5.9

2007

5.5

2021

6.0