2003

3.4

2016

5.7

2004

7.5

1975

7.8

2001

7.7

1980

7.3

1997

6.6

1999

6.3

2002

6.0

1993

6.5

2014

6.6

1938

6.0

1970

7.6

1996

7.0

2020

0.0

2007

5.8

2007

7.6

1951

0.0

2007

5.7

2022

6.8