1949

5.0

1971

9.5

1981

6.8

2006

6.5

1991

6.7

2024

5.7

2017

6.3

2001

4.9

1975

0.0

1980

6.6

2021

5.0

2005

6.7

2007

7.3

2023

6.0

2002

6.0

1973

7.9

2006

7.1

2019

7.7

1921

0.0

1995

6.9