1989

5.8

2002

4.4

2016

4.5

1984

7.1

1935

7.2

2014

6.6

1973

6.3

2015

7.3

2017

7.4

1975

7.0

2001

4.3

1993

6.6

2014

5.7

1976

7.5

2008

6.4

2014

6.2

2006

6.1

2004

6.3

7.0

1989

5.5