1992

6.8

1975

5.1

1953

5.4

2008

5.6

1930

4.7

1991

7.1

2018

4.5

2003

7.2

1999

6.3

2007

5.1

1967

7.0

2020

6.3

2006

6.3

2000

5.5

2004

4.9

1909

6.0

1990

6.5

1992

6.7

2021

6.8

2019

6.5