2020

6.9

1957

7.2

1997

5.4

1988

7.4

1990

6.5

1948

6.1

1958

6.9

2023

6.4

2011

7.1

2007

7.7

2018

5.0

2012

5.9

2015

8.0

2006

5.2

2011

6.4

2018

6.4

2003

6.4

2015

6.6

2017

5.6

2014

4.6