1992

6.3

2007

6.9

2004

2.0

1997

0.0

2005

6.7

1937

7.9

1962

7.5

2001

5.4

1988

7.1

1996

7.8

2020

0.0

2001

7.4

1996

8.0

1999

7.2

1973

0.0

2024

7.6

1967

6.9

1982

6.2

2017

6.4

1993

6.1