1987

6.8

1998

5.7

1932

7.3

2004

6.6

2005

7.1

2014

6.5

2003

5.5

2003

7.1

2003

6.7

1977

7.4

0.0

1929

7.4

1997

7.6

2015

5.6

1997

6.5

2022

0.0

2005

4.9

1957

8.0

0.0

2024

6.0