1963

7.1

1943

8.2

1930

7.3

2005

7.4

1998

6.9

2002

7.0

2015

5.5

1968

6.0

2002

6.1

1962

7.6

2013

5.5

1993

7.4

1965

7.5

1997

7.4

2001

6.8

1953

7.1

2002

5.6

2016

6.8

2014

5.0

2009

6.2