2012

4.8

1999

6.7

1967

6.0

1963

6.6

1973

7.5

1947

0.0

1998

6.6

2005

7.0

2000

7.2

2002

7.1

1979

7.8

2001

7.8

1997

7.0

2004

7.3

1997

7.2

2002

6.4

1968

6.0

2021

0.0