2000

7.0

2019

5.7

2004

8.4

2013

8.0

1994

8.5

2017

7.4

1979

8.2

2009

7.4

1997

8.4

1994

8.7

2016

7.9

2009

8.2

2017

7.5

2015

8.0

2016

5.9

2016

7.4

2017

6.8

1950

8.3

2014

6.3

1999

8.4