2011

6.8

1992

3.6

2015

6.7

2017

4.5

1995

7.9

1996

6.5

1988

5.5

2002

4.4

1996

5.8

2003

8.2

1987

6.3

1985

6.7

2019

7.0

2007

6.2

2002

7.0

1995

5.9

2011

8.2

1983

6.1

2018

7.9

1995

6.8

2009

7.7