1999

5.8

2012

7.3

2007

3.8

2001

5.0

2002

7.9

1988

3.5

2001

8.1

2018

0.0

1989

2.8

1997

6.0

2001

2.5

2007

3.0

2019

5.4

2008

8.4

2000

5.6

2001

6.8

1989

4.5

2011

5.0