2006

6.1

2011

6.6

1941

6.2

2014

5.7

2014

6.9

1987

5.3

2001

6.8

1955

7.4

2009

5.9

1997

6.3

2011

9.3

1958

5.5

1980

6.6

1961

6.7

2012

5.4

2020

7.2

2016

6.5

1986

6.2