2003

6.3

1992

6.6

2013

10.0

2012

7.2

1986

0.0

2014

5.8

1975

0.0

2007

7.1

2002

5.8

2010

7.0

2019

5.5

1974

0.0

2016

6.9

1984

6.2

2014

7.3

1996

7.0

2019

6.4