0.0

2018

5.4

1990

6.0

2002

6.6

1951

6.4

2007

6.0

2002

8.7

2014

7.7

1974

7.9

2015

2.5

2002

8.2

1981

6.1

2012

7.0

7.0

2017

8.1

1998

7.1

2005

7.9

2017

5.1

2006

0.0

1987

6.3