1925

7.6

1962

7.0

1970

7.0

2004

7.2

1922

7.7

1963

7.1

1964

7.3

1979

6.9

1965

6.7

2007

6.2

1967

6.6

1969

6.6

2003

8.3

1924

0.0

2001

6.9

1947

7.6

1986

7.9

1994

8.5

1971

6.4

1974

6.4