2008

6.4

1995

8.4

1994

8.7

2018

8.2

1994

8.3

2019

8.1

2017

7.0

2007

7.3

2016

7.6

1972

8.7

2012

7.4

2016

7.8

2014

8.4

2019

7.8

2001

7.9

1994

8.5

1993

8.0

2000

8.2

2019

8.5

1979

8.2