2001

8.2

1987

0.0

1989

4.5

1995

3.0

1967

7.4

1989

7.9

2009

5.9

1999

5.4

1985

0.0

2017

7.0

1998

7.1

2005

7.3

1989

7.5

1971

7.6

1996

8.5

2007

1.0

2004

6.9

1994

6.8

1978

4.0

1969

7.3