2013

8.1

1964

7.4

1952

6.2

2009

5.5

1974

5.7

2021

9.2

2008

7.8

1961

6.9

1969

6.6

2005

6.5

1985

7.1

2013

5.8

2011

7.2

2007

7.5

1998

5.4

2011

4.5

1969

6.6

1997

5.5

2007

7.7