1985

6.4

1930

7.2

2004

5.8

2001

5.3

2006

6.7

2005

4.8

2010

7.8

2006

6.4

2024

6.7

2015

6.2

2023

6.0

2017

5.9

2007

6.8

1984

5.9

1994

6.6

2022

5.8

2001

6.0

2016

6.4

2016

6.0

2006

7.6