1957

6.7

1937

6.7

1958

7.0

1952

6.4

1933

5.5

2008

5.1

2021

4.7

1954

7.1

2008

7.3

1992

6.6

2003

5.0

1998

6.3

1999

6.9

2022

0.0

1989

5.9

2014

7.5

1937

0.0

1985

5.8

2009

5.7

2014

4.4