2013

4.0

2008

5.2

2010

7.2

7.9

1985

5.9

2022

7.5

1994

6.5

1987

4.7

2015

6.0

2015

7.5

1937

4.3

2021

7.8

2003

6.1

1988

8.0

1942

6.0

1961

8.0

2009

7.6

1976

5.8

2011

6.0