2015

3.3

1987

7.1

2003

8.0

1987

8.5

1983

6.6

2008

0.0

1997

0.0

1991

7.4

1985

7.7

1990

4.5

1981

7.0

1986

7.9

1987

5.3

2018

5.8

2014

7.1

2014

6.6