1937

4.9

1993

6.2

2008

0.0

1993

2.8

1998

7.4

2004

6.0

1989

7.4

1955

7.4

1998

5.1

2008

6.7

1978

5.2

1996

5.5

1964

0.0

1973

7.5

1979

7.7

1934

7.5

1955

7.9

2006

5.8

1981

6.9

1952

7.3