2021

6.4

1972

5.2

2018

5.0

1971

7.2

1974

7.9

2018

7.2

2013

5.6

2013

7.3

1999

8.5

1995

7.1

2014

5.3

2019

7.0

2017

6.7

2016

6.9

2004

5.0

2016

6.0

2009

3.8

2021

5.8

1983

6.3

2020

4.0