2000

7.6

1976

8.1

1994

7.9

1932

7.8

1931

0.0

1998

7.4

2004

5.9

2005

6.3

2007

6.4

1986

6.1

2000

6.8

2002

6.8

1981

6.5

1983

5.2

2003

7.3

2004

3.9

1974

7.0

2002

4.1

1994

6.0

1924

1.0