2014

9.5

1988

6.6

1995

6.5

2006

6.9

1977

5.0

1994

6.7

2017

7.2

2023

6.4

2005

7.0

2007

3.1

2016

8.0

1979

6.1

1968

6.0

2003

7.2

1982

7.0

1998

6.9

2003

7.1

2007

6.8

1946

6.5

1974

0.0