2005

5.8

1921

8.2

2003

5.3

2003

5.6

1970

7.5

1997

5.3

2006

5.9

1913

5.5

2005

4.2

1990

6.1

1983

7.1

1989

6.7

1924

5.0

2007

6.6

1966

6.7

2007

6.0

1923

5.0

1989

7.1

1957

5.0

1976

6.5