The ratio of odd to even of the rightmost digits

The rightmost digit of each lottery number:

Odd number: such as 1,3,5,7,9

Even number: such as 0,2,4,6,8

0:0 odd number(s)，5 even number(s)

1:1 odd number(s)，4 even number(s)

2:2 odd number(s)，3 even number(s)

3:3 odd number(s)，2 even number(s)

4:4 odd number(s)，1 even number(s)

5:5 odd number(s)，0 even number(s)