2007

2.0

1990

6.1

2003

5.9

1978

6.3

1989

6.5

1928

0.0

2004

6.6

2004

5.8

1997

6.0

1993

6.0

1982

5.2

1995

6.8

1930

7.0

1980

7.0

1965

7.1

1987

6.4

1990

6.0

1983

6.2

1957

7.0

1984

6.7