2003

5.8

1994

6.4

1931

7.1

2004

7.9

2007

5.9

2000

7.2

1969

5.8

1995

6.6

1925

8.0

1993

5.7

2006

7.0

1952

7.4

1972

7.3

1957

7.8

1974

7.9

1990

6.4

1950

6.7

1989

0.0

1990

0.0

1982

6.9