2003

6.8

1967

6.1

1953

4.8

2016

6.1

2000

6.4

1991

5.7

2012

5.3

1957

7.2

1980

5.9

2002

7.5

1931

5.8

2001

5.8

1958

5.6

1978

5.9

1969

4.7

2017

6.6

2014

7.0

2004

6.4

1933

6.2

1981

6.0