1999

5.7

2009

6.9

1964

5.6

2000

6.3

1998

5.6

1920

7.9

1948

4.2

1909

5.0

1941

6.9

2002

4.8

2004

7.2

2009

6.5

2003

6.6

2006

6.6

1999

6.5

1995

7.1

1992

5.2

1902

5.0

1900

4.2

2012

6.3