2017

5.0

2016

5.7

2016

7.3

2003

7.2

1964

7.4

1985

7.5

2014

7.4

2005

7.9

1998

7.6

2013

7.0

2016

7.1

1973

7.0

2015

6.3

1999

8.2

1963

5.7

2021

5.4

2019

6.6

1960

7.6

2012

7.4

1996

6.8