2004

7.1

1989

6.2

1988

7.0

2001

7.6

2023

6.4

1982

6.7

2022

0.0

1978

7.5

1991

6.5

1980

0.0

2000

2.0

1929

6.1

1947

6.7

1997

5.1

1994

7.3

2008

7.3

2002

6.3

1982

3.9

1999

0.0

2007

6.9