1973

5.1

1982

4.7

1970

0.0

1987

6.0

1964

4.3

2006

5.5

2015

0.0

1973

3.8

1972

3.5

1993

0.0

1998

7.8

1968

5.6

1973

5.5

1986

6.3

1994

6.8

1989

0.0