2007

5.4

2017

4.3

2006

6.8

2007

6.1

2023

9.0

1991

6.1

2006

4.8

2000

6.1

1972

6.7

1984

7.2

2003

8.1

1933

5.0

2001

6.5

1997

6.6

2003

5.0

2006

7.2

1977

7.4

2017

5.0

1973

6.2

2018

6.1