1998

7.3

2004

4.8

2003

6.0

2004

6.0

1986

0.0

2001

7.2

1998

7.4

1999

7.5

2008

5.5

1995

6.5

1967

7.6

1994

6.7

2006

4.3

2020

5.8

2023

0.0

2016

6.0

1993

5.0

1972

6.3

1973

8.0

2008

4.8