2016

7.4

2017

9.0

2001

0.0

2009

6.6

1974

5.2

2004

5.9

1977

6.2

2018

4.9

1987

6.7

2017

8.0

2017

2.6

1989

2.4

2016

5.7

2006

6.4

1991

6.5

1998

5.3

1995

6.6

2005

6.1

2005

5.6

1958

6.6