1981

6.9

1982

5.7

1993

5.0

2000

5.8

2002

7.0

2009

7.2

2009

7.0

1941

6.6

1942

7.4

2024

0.0

2014

6.5

1954

6.9

2008

5.2

2006

6.1

2025

8.0

2017

6.7

1988

6.2

1992

5.0

1985

3.3

1931

0.0