2013

6.2

2012

6.0

1993

5.5

2010

7.1

1974

5.6

8.1

2003

5.8

2010

7.9

2024

0.0

1990

5.0

1988

7.0

1961

5.2

1999

6.8

1935

5.0

2011

5.6

1993

4.1

2020

5.6

2023

5.2