2016

10.0

2004

6.8

2011

6.2

2004

7.1

1993

7.0

1997

5.4

1980

6.4

2009

7.1

2006

4.5

2010

4.2

1971

6.9

2002

0.0

1998

5.3

1996

7.1

1999

5.7

2008

7.0

1992

5.8

1979

7.8

2021

0.0

2004

6.3