2018

6.8

2002

7.3

1987

8.1

1979

6.9

1993

7.2

1987

7.6

1995

7.0

1992

7.5

1995

6.7

1919

6.9

1961

7.7

2006

8.2

1933

5.5

2013

6.8

2016

6.3

1984

6.5

2010

4.2

2012

7.1

1983

6.1

1995

7.0