1995

7.3

2003

7.2

1998

5.9

1961

7.3

1963

7.0

1964

7.0

1964

7.0

1944

7.6

2002

6.7

2000

6.5

1982

6.9

1988

6.1

1965

6.3

1955

7.9

2000

0.0

2005

0.0

1998

6.8

2004

8.1

1965

5.7

1980

6.1