2008

7.3

1989

6.2

1997

7.1

2004

4.9

2001

5.9

2006

5.5

1983

7.0

2017

5.9

2001

6.6

2019

6.8

1995

0.0

1993

4.7

1996

6.9

1992

6.6

2004

4.8

2006

6.0

1959

6.3

1980

0.0

1995

6.4

1997

6.3