2006

6.1

2022

7.6

2020

6.5

2001

6.8

2017

6.6

6.2

1951

6.1

2017

6.6

2016

7.4

2009

7.5

2017

5.9

2014

6.9

1986

6.2

2020

6.7

2008

5.8

2009

5.9

2017

6.5

2020

7.8

2022

6.2

2017

8.8