2003

7.1

2023

6.9

2003

6.3

2006

6.6

1982

3.2

2006

4.9

1995

6.7

1979

6.9

1996

6.5

1979

7.7

1968

7.1

1997

6.5

2007

6.4

2004

6.6

1954

7.3

1999

5.6

1984

6.7

1933

5.0

1915

0.0

1998

7.4