2019

7.1

1983

6.9

1998

10.0

2015

5.7

2017

5.2

1995

5.9

2014

6.4

2013

3.0

2002

9.3

2009

5.9

2007

4.5

2002

6.1

1994

7.3

1995

7.3

1993

4.5

2017

6.8

2017

6.6

2017

6.7

2017

6.6

1989

5.2