2016

6.8

1994

7.0

1993

6.3

2006

6.9

1996

0.0

2001

6.4

1978

6.5

1993

7.1

2002

7.4

1990

6.9

2002

7.6

2002

6.3

2004

6.6

1998

6.3

1935

7.4

1983

0.0

2015

6.5

1996

4.5

1936

5.0

2014

6.6