1999

5.7

2000

5.5

1981

7.3

2005

5.4

2004

7.3

2003

5.8

2006

7.2

1985

7.5

1894

5.3

1893

5.6

2003

6.6

2006

6.6

1999

6.0

1995

7.1

1992

5.2

1995

4.1

2001

5.0

1984

6.4

1897

7.1

1943

5.2