1972

3.0

1972

3.5

1959

6.0

1963

1.0

1965

0.0

1982

0.0

2006

5.0

1987

5.9

1990

5.8

1962

4.0

1997

5.6

1985

8.0

1995

6.0

1998

0.0

1989

6.1

1996

4.9