1968

6.7

2012

0.0

1984

7.1

2006

7.5

2012

7.4

1997

0.0

2010

8.0

2018

7.5

1990

7.1

2014

9.5

1951

6.5

1975

5.5

2002

8.4

2014

7.5

2008

6.2

2019

0.0

2007

6.7

2014

7.0

1952

6.8

2014

7.7