2001

7.8

2001

7.0

1991

7.5

2007

6.1

1980

7.8

2020

6.6

1913

6.0

2002

5.9

2006

5.8

2006

6.9

1970

6.1

2008

5.4

1968

6.3

1937

6.7

1978

6.5

2022

5.6

2018

7.7

2000

7.1

1976

7.2

2024

10.0