2007

6.4

2006

6.3

1970

3.8

2006

6.2

2003

6.6

2023

0.0

2004

5.3

1966

2.5

2001

7.4

1991

5.9

1996

7.0

1973

3.7

1991

4.5

2012

6.0

1975

7.5

1978

6.0

2011

6.6

2022

5.6

2023

0.0

2000

4.6