1993

5.4

1993

5.5

1920

7.3

1984

6.5

2013

6.1

6.3

2014

5.4

1994

6.8

2013

6.1

1949

6.2

1972

6.6

2020

6.4

2006

7.0

2002

4.5

2021

6.2

2014

6.2

2016

6.9

2018

6.0