2025

6.8

1964

6.2

2004

6.4

2001

6.4

1988

6.6

1966

5.1

2009

5.6

1998

7.5

2018

5.0

2018

6.0

1933

6.0

2017

10.0

2020

5.4

2021

0.0

1991

7.6

1999

7.8

2006

5.4

2005

7.3

1994

3.8

1997

6.5