1999

4.9

1987

8.2

2020

8.5

2016

4.0

2010

7.6

2014

8.1

2021

4.0

2014

6.0

2010

7.8

2009

8.5

2014

6.6

2014

7.4

2018

8.1

2015

8.3

2017

6.0

2007

0.0

1984

6.2

1963

5.0

2002

5.1

2019

8.5