2007

7.1

1952

5.8

2014

6.3

2021

7.0

1988

5.2

2004

7.1

2015

4.9

1995

5.5

1972

7.5

1985

8.3

1969

7.3

2017

5.5

1959

7.4

2013

5.3

1992

6.1

1945

8.1

2013

8.1

1988

7.0

2004

5.9

2013

7.6