2013

6.8

2007

8.1

2018

5.9

2014

9.5

2021

7.1

2017

6.1

2015

6.7

2021

7.8

2019

8.1

2015

6.4

2015

7.8

1991

8.3

1994

8.5

2000

6.0

2017

7.3

2001

7.8

2014

8.0

2019

7.2