2000

7.1

1986

2.8

2010

7.7

1991

7.4

1989

5.4

1978

0.0

1984

2.7

1996

6.1

2016

7.3

1994

0.0

1994

4.0

1995

7.6

2002

7.0

1985

3.7

1981

5.5

1992

5.0

2004

7.6

1983

7.0

1980

0.0

1980

4.6

1993

8.4

2004

9.0

1990

6.0

1977

7.2