1969

7.3

2003

0.0

2007

0.0

2009

7.8

1996

7.3

1967

7.4

2002

8.0

1984

7.1

1996

6.4

2001

6.6

2012

9.0

2012

0.0

2017

0.0

2014

1.0

2006

5.0

2021

6.0

1990

10.0

1991

6.9

2004

6.0

1975

6.9