八只鸡

6

/

1990

6.2

/

1972

7.778

/

NaN

7.411

/

2002

7.467

/

2016

5.316

/

NaN

5.963

/

2007

7.8

/

1995

9.2

/

2010

7.99

/

1928

7.255

/

1993

5.3

/

1994

5

/

2011

7.518

/

1993

6.853

/

2020

4.8

/

2011

6.644

/

2000

7.053

/

2005

5.9

/

2017