1993

5.4

1949

6.2

1920

7.3

2013

7.5

5.6

2006

5.1

1994

5.9

2012

9.3

1977

5.4

2005

7.4

2017

7.3

1926

5.6

2017

5.8

1981

6.5

1955

5.0

2022

6.1

2007

8.0

6.8