2006

4.4

1979

4.0

1959

8.0

1973

6.5

1962

6.5

2003

5.5

1999

6.4

2019

6.8

1970

0.0

1965

5.6

2003

5.5

2003

6.3

2002

5.6

1967

4.7

1968

5.2

1985

6.2

1997

6.1

1998

6.6

1967

4.0

1980

4.3