1982

6.7

1976

7.9

1996

6.2

2020

7.0

2024

7.8

1921

6.0

2000

6.8

2007

6.6

1986

6.4

1991

5.5

1964

4.0

1995

6.4

1992

6.1

2014

6.0

1957

5.9

2009

6.9

1976

10.0

2000

8.0

1928

0.0

2022

7.4