2020

6.5

1991

6.2

2015

6.5

2000

6.2

2013

5.8

1999

5.9

1993

6.6

1965

6.5

2014

4.6

2009

6.0

2006

6.7

1895

6.9

2022

7.8

1946

6.8

2002

5.5

2008

7.6

2006

5.0

2012

5.8

2003

5.3

2014

5.8