1995

0.0

1993

7.4

2006

6.9

1982

6.9

2004

6.6

2003

6.1

2005

7.6

1975

6.5

2004

6.4

1942

7.0

2025

9.3

2002

6.1

2018

5.0

2004

6.9

2013

7.3

1976

6.7

2006

4.8

1970

6.6

2025

0.0

2011

7.0