2017

5.1

2010

6.0

1996

6.6

1979

7.0

1947

6.8

1953

5.2

1998

5.4

1999

7.2

1992

7.5

2004

7.6

1976

0.0

1976

0.0

1976

0.0

1980

8.1

1995

6.9

2021

7.4

2005

7.1

2000

6.5

2001

6.7

2018

6.2