2018

8.0

2001

8.8

2013

6.4

2009

8.1

1938

4.0

2004

4.4

2003

6.5

1998

7.2

2006

9.3

2012

6.3

2022

8.4

2014

6.0

2015

8.3

2003

4.5

2006

7.7

2021

5.5

1999

7.6

1992

6.8

1996

6.0