1996

6.6

1995

5.8

2018

4.9

1997

5.4

2003

6.7

2005

4.2

1984

6.9

2003

7.0

2001

0.0

1994

1.0

2009

3.1

2018

6.0

1999

5.5

2001

5.9

2014

0.0

2015

5.8

2002

8.6