2016

3.0

2001

8.2

1978

3.2

1991

5.9

2007

7.0

1974

0.0

2002

3.7

1996

7.1

1993

6.7

1991

5.2

1978

4.8

1994

6.6

1973

7.4

1972

7.4

2008

7.3

1973

5.6

2003

8.0

2002

7.5

1998

6.8

1987

6.5