Well, it must be because an usually large amount of businesses are not reporting their income properly.
Regardless, raise the sales tax and make up all the difference!
/end sarcasm
Obviously, a bunch of teabaggers aren’t reporting sales tax on all those greeting cards they’re sending to each other. Root ‘em out! /s
they ALREADY raised the sales tax and many communities are paying in excess of 9%. They did this to fix LAST YEARS budget hole.
Thus, the reason for falling sales tax revenue. Folks have decided to hold their money and buy ONLY what they need.