2013

0.0

2014

6.3

2002

5.4

2020

5.9

1995

7.9

1999

6.2

2007

5.4

1975

5.2

2017

7.2

2017

7.8

1991

7.6

1948

8.2

1985

7.5

2001

6.5

1994

6.5

2000

4.4

1999

7.1

2003

6.1

1967

7.7

2002

6.4