1996

6.9

2006

7.8

1999

6.8

2005

6.6

2020

0.0

2024

6.9

2022

8.0

2016

6.6

2014

0.0

1940

8.3

2005

7.7

1976

7.8

1998

5.9

2013

4.6

2006

7.4

1992

6.3

1982

7.0

1973

4.5

2005

6.9

1933

7.0