2000

5.7

2004

5.3

2004

3.0

1975

5.7

1998

5.2

1973

6.9

1995

5.9

1975

4.8

1973

5.4

2020

1.0

2000

2.8

2012

2.6

2000

0.0

1980

7.0

1983

6.0

2006

5.2

1985

5.5

2018

4.1

2008

5.9

1999

6.7