For every 1,000 containers in which there are not more than 10 matches

0

19

11

For every 1,000 containers in which there are more than 10 matches, but not more than 20 matches

1

19

10

For every 1,000 containers in which there are more than 20 matches, but not more than 30 matches

2

19

9

For every 144 containers in which there are more than 30 matches, but not more than 50 matches.

0

14

5

For every 144 containers in which there are more than 50 matches—

• For the first 50 matches

0

14

5

• For every additional 5 matches or part of 5 matches in excess of 50 matches.

0

1

5 ½

And so in proportion for any less number of containers.