2013

4.9

2021

6.2

2023

7.8

2020

5.8

2011

6.4

5.6

2018

8.4

2012

5.7

2021

9.2

1997

6.3

1973

6.8

2009

8.5

2015

6.4

1993

7.8

2016

6.9

2019

8.3

1993

5.5

2019

7.9

2011

9.5