election results, I don't get it.

[888888]

http://caucusresults.sos.state.mn.us/ElecRsltsCaucus.asp?M=PTY&PtyCd=R

Caucuses Reported
3406

Total Caucuses
4137

Percent Reported
82.37%

Number Attending Caucuses
22069


Statewide Results for Republican Party
PRESIDENT Republican

Candidate Totals Pct Graph
NEWT GINGRICH 4617 10.60
RON PAUL 11880 27.28
MITT ROMNEY 7446 17.10
RICK SANTORUM 19468 44.71
WRITE-IN 135 00.31


Now if you add up the figures, it's 43546 votes. but only 22,000 people showed up, how can this be? Voter Fraud?