The contest, for children 12 and under, drew 313 entries.
The design competition drew 329 entries from 28 countries.
The first year for the Challenge drew more than 250 entries to select from.
The event has drawn serious international interest and 21 entries from seven countries.
The contest, which offers an award of $10,000, has drawn 447 entries.
The contest, which was sponsored by the police department and a radio station, drew more than 600 entries.
Team events sometimes draw 700 entries, and by the end of the century, China will probably have more players than any other country.
It now draws more than 200 entries from 20 communities and lasts all summer.
This year the contest drew more than 6,000 entries.
The first competition drew 600 entries who competed for $37,500 in prize money and professional services.