2004

7.4

2014

6.4

1999

7.4

1994

5.9

1993

7.5

2002

7.0

1971

6.7

2003

7.2

1954

8.0

2020

0.0

1987

6.5

1947

7.6

1946

7.6

1999

6.7

1968

7.2

1995

7.9

1941

7.7

1971

7.4

2006

6.1

2006

6.0