2007

4.1

2007

6.7

2003

6.1

2001

6.3

1996

7.2

1970

4.2

1973

4.0

2004

5.3

2008

5.9

2003

5.3

2019

6.7

2003

7.8

1967

7.5

1993

6.2

2003

6.2

1979

6.1

1952

6.4

2001

5.7

1973

6.6

1945

5.9