2018

7.3

2003

6.8

1991

8.3

2018

8.2

2012

7.4

2001

7.9

1994

8.7

2005

7.0

1998

7.8

2000

8.2

1999

8.4

2014

8.4

2017

7.5

1995

8.4

2014

8.0

2016

7.3

2016

7.6

1972

8.7

2006

8.2

2012

7.3