2016

7.3

1999

8.4

2021

8.4

2011

7.8

1971

7.8

1964

7.4

2001

6.9

1996

8.5

1980

9.2

2011

7.0

2015

7.7

2017

6.5

2021

9.0

1978

6.8

2007

8.0

2013

7.5

2012

7.2

1976

7.0

2014

7.3

2000

6.6