2016

7.5

2001

0.0

1997

5.3

2014

8.4

2000

7.6

1990

3.0

2004

7.9

1991

4.6

1996

6.4

1997

6.7

1984

7.4

1992

5.9

1989

0.0

1999

4.9

1991

4.6

2008

8.4

2001

0.0