2013

6.8

1992

6.9

2018

5.9

2008

7.5

2003

6.3

2017

9.4

2007

8.1

2023

9.1

2022

7.6

2016

7.4

2003

7.1

2006

7.2

2015

6.7

2011

7.5

2023

6.6

2006

5.4

1937

5.5

1975

6.9