2004

6.7

1994

7.3

1995

6.2

1988

6.8

1996

6.4

1930

1.0

1992

5.3

1987

7.0

1987

6.9

2002

6.0

2006

5.7

2001

5.8

2006

5.5

1945

6.9

2004

6.1

1969

7.0

2008

7.3

2005

4.6

1986

5.6

2022

6.3