1999

5.9

2009

5.3

2006

4.3

1964

7.0

2011

5.5

1992

6.9

2000

6.7

1921

6.8

1988

5.8

1982

6.9

2025

7.4

2001

6.0

2025

6.0

2021

7.2

1988

6.5

1976

5.5

2025

6.5

1986

6.5

2012

6.9

1994

6.5