1985

7.7

1985

8.3

1972

6.0

2016

6.2

1914

0.0

2002

5.4

1995

5.1

1992

6.0

2004

6.1

1992

5.2

2016

6.3

1977

6.8

1997

7.0

2005

6.7

2000

6.5

2001

6.9

1999

6.4

2004

6.8

2008

6.6

1982

6.1