2006

7.6

2001

5.9

1987

6.9

2007

7.4

1969

6.2

1996

6.8

2003

5.0

1997

6.3

2017

5.3

1966

7.5

2013

6.0

1990

6.4

2002

6.8

1967

7.3

1976

7.0

1969

6.7

2004

6.0

1966

0.0

1942

6.5

1960

5.4