2003

5.7

1994

6.5

1998

6.0

2011

5.2

1970

6.0

2012

6.0

2023

6.0

1982

6.4

2013

8.4

1953

6.8

1999

8.0

1990

5.8

2010

6.1

2015

6.9

2010

7.0

2009

5.5

2012

9.4

2012

9.8

2009

6.8

2013

6.4