2013

6.1

2009

8.5

1992

7.1

5.8

2021

9.3

2013

6.1

2007

4.2

2018

4.3

1977

6.7

2008

6.7

1991

6.2

1954

6.7

2020

6.4

2008

5.7

2016

6.1

2016

6.5

2019

6.3

2018

6.2