2013

6.1

2020

5.2

2003

5.0

2014

6.5

2017

9.4

2019

10.0

1942

6.4

6.1

2014

6.5

2019

5.6

2005

6.0

2018

7.2

2000

7.2

2017

7.6

2002

5.5

2009

6.2

1990

6.3

2015

5.8