1999

7.5

2014

7.7

2017

7.0

2009

7.9

2016

9.3

2017

7.1

1990

7.6

2019

6.7

2008

6.7

2013

8.0

2001

7.8

1999

7.0

2000

8.0

2004

7.4

2023

10.0

2015

7.4

1999

7.1

2011

6.9

2016

7.6

1999

7.1