2007

6.1

1970

7.0

1974

6.4

2001

7.5

2016

6.9

2010

5.5

2019

6.1

1997

6.4

2024

7.0

2005

7.7

2011

7.8

6.4

2013

7.9

2003

6.0

2006

7.1

1966

4.9

1989

5.7

2024

10.0

2018

7.2

2016

6.1