1982

0.0

1948

4.8

1998

6.6

2003

7.1

1986

6.8

1998

4.4

1967

7.3

1984

6.8

2002

5.6

1985

7.5

2003

5.8

1998

6.6

1982

7.6

1964

6.3

1993

6.5

1989

6.3

1985

6.2

1994

6.9

1997

5.2

1963

5.8