2016

7.0

2023

7.4

1978

6.4

1968

6.9

2016

5.1

2010

5.8

2005

5.8

8.0

2014

6.5

2012

7.2

2004

6.1

1984

7.3

1991

5.9

2008

8.3

2003

5.7

1997

5.4

2007

6.2

1966

5.6

2016

5.9