[Mark McLeod]

I imagine a lot of the missing teams are those on the invisible wait lists for Manchester, Richmond, Orlando, Ypsilanti, Detroit, Kansas City, San Jose, San Diego, Philadelphia, and Hempstead. Ten Regionals sold out this year as compared to the six last year at this same time. Accounting for up to ten or so reserved waiting list slots for each of those sold out.
SBPLI for instance has 8 teams that are registered but that aren't visible yet.

These won't show up to give us final numbers until sometime after the December 1st registration close.

P.S.
Here's a twist on Richard's statistics. Essentially, the same numbers just in a different light. For a minimum $10,000 investment per team this is how much per person it would cost state-by-state:
1 NH $0.20
2 MI $0.10
3 CT $0.08
4KS $0.07
5 VA $0.07
6 MO $0.07
7 MA $0.06
8 NY $0.05
9 CO $0.05
10 NJ $0.04
11 SC $0.04
12 OR $0.04
13 WI $0.04
14 IN $0.03
15 OK $0.03
16 PA $0.03
17 ON $0.03
18 AZ $0.03
19 CA $0.03
20 FL $0.03
21 GA $0.02
22 WA $0.02
23 OH $0.02
24 IL $0.02
25 TX $0.01