1976

6.3

1996

6.0

2016

7.7

1978

5.9

1929

7.5

1999

6.8

1999

5.2

0.0

2022

6.8

1991

7.2

2000

6.1

2007

6.7

1999

5.3

1974

7.5

1997

5.7

2001

6.2

1999

5.8

2005

6.2

2007

5.7

1986

5.9