2008

5.1

2004

10.0

2016

6.1

1953

4.8

1998

6.1

2021

6.2

2014

6.1

2002

5.2

1987

5.3

1964

7.0

2017

8.1

1966

6.3

1999

6.3

2007

6.4

2000

5.1

1990

6.6

2015

8.0

2010

6.0

2003

7.0

2011

6.5