2004

5.6

2001

7.8

1979

8.3

1986

7.6

1973

7.6

1997

6.6

2002

6.2

1965

6.9

2007

6.7

1998

0.0

1976

7.6

2007

6.4

1999

6.5

2009

6.7

2023

5.6

2023

0.0

2005

6.3

1975

4.1

1998

7.2

2001

6.8