2013

6.6

2003

5.8

2020

6.7

2015

4.6

1972

7.2

2019

5.9

1962

7.4

2018

6.4

2000

6.5

1970

7.6

2018

5.2

1989

6.2

2008

7.0

2014

6.7

2003

6.2

2013

6.1

2004

6.5

1993

5.5

2020

6.9

2017

5.6