2014

5.7

1984

6.8

2006

6.4

1993

5.4

2003

6.6

2009

6.0

2006

7.0

1964

7.4

2012

5.8

2017

5.9

1985

6.2

2017

5.5

1969

8.3

2024

7.6

2015

6.2

2010

7.5

2012

8.0

2012

7.6

2016

6.6