1990

10.0

2016

0.0

1951

6.7

1975

5.5

1998

0.0

2009

6.0

2021

2.2

2015

5.7

2015

5.4

1990

7.0

2011

6.0

2006

7.5

2012

6.0

1968

6.6

2014

7.9

1996

7.0

1984

7.1

1994

5.5

2010

0.0

2016

5.9