Remember?

6.6

/

1999

7.4

/

1972

7.538

/

2009

7.7

/

2007

5.1

/

2015

5.6

/

2014

9.4

/

2012

5

/

2003

7.3

/

2011

5.519

/

2008

6.3

/

2008

4.9

/

1975

5.806

/

NaN

6.09

/

2013

8.3

/

1980

7.284

/

1989

6.1

/

2013

5.4

/

1993

7.337

/

2015