2006

6.7

1966

6.2

1982

7.8

2020

6.5

1952

6.3

1952

7.3

1927

7.3

1965

7.6

1925

6.6

1962

7.0

2015

7.5

1968

6.7

1999

8.2

2012

6.1

2005

7.2

1986

6.8

2014

5.6

1984

6.9

1998

5.5

1953

5.4