1976

7.6

1991

6.4

1996

6.5

2010

6.1

2025

0.0

2003

5.7

2001

6.8

2007

6.3

1964

7.3

2001

6.3

2025

0.0

2010

8.2

1944

7.5

2008

7.8

2008

6.1

1998

8.3

2001

6.5

2020

6.8

1997

7.3

2022

6.5