1985

7.5

2000

5.8

2003

6.2

2006

5.8

1888

6.4

1894

5.2

1984

6.4

2002

4.8

1996

6.7

2012

7.5

1998

6.6

1999

5.9

1995

8.5

2001

5.8

1982

7.3

1994

5.1

1992

7.0

2002

6.7

1993

6.0

1995

6.0