2001

7.0

2005

7.1

1984

7.0

1983

6.6

1990

7.7

2018

6.1

1954

4.6

2007

6.8

2001

7.8

2004

7.3

1984

5.9

2008

6.3

2007

4.8

1992

5.7

1991

6.8

1964

6.2

2016

3.5

1932

6.0

2013

5.5

1981

0.0