1988

6.4

1967

5.7

1910

6.0

1931

7.5

1993

6.7

1973

5.8

2004

5.0

1981

6.4

2005

5.9

2003

6.1

2020

3.5

1996

7.4

1997

6.5

2000

6.0

1983

5.1

2004

4.1

1987

4.9

2025

0.0

2023

5.6

1987

0.0