Test

7.778

/

NaN

7.662

/

1960

7.7

/

2018

6.7

/

1936

7.643

/

1933

6.8

/

2013

6.3

/

1973

6.463

/

1998

7.277

/

2003

6.19

/

1966

6.708

/

1982

6.6

/

2017

7.4

/

1968

6.604

/

2019

7.15

/

1984

5.961

/

1987

7.183

/

1953

6.161

/

2007