2001

7.4

1991

5.9

1996

7.0

1973

3.5

2007

6.4

2006

6.3

1991

4.6

1970

3.8

2023

0.0

2021

4.6

1977

4.5

2002

6.4

2023

0.0

2000

4.6

2010

5.1

2017

6.1

1978

6.0

2008

6.8

1992

5.0

1975

7.5