2012

6.8

2019

7.0

1995

6.3

2021

7.8

1998

7.1

2015

5.8

1996

7.7

2006

7.9

2003

2.0

1989

4.0

2001

8.2

1997

8.3

1995

7.7

1996

7.1

2013

5.3