The report did show a decline in cases among some groups.
"But two months ago it showed a big decline out of the blue."
His stock market record after 18 months showed a decline of 12.3 percent.
In the fourth year they were beginning to show a significant decline.
Last year's figures are not in yet, but they will certainly show a decline.
For the year, it showed a decline of 30.54 percent.
He added that other species did not show a similar decline.
Crimes against teachers in the public schools showed a small decline last year.
The new study showed a larger overall decline - 43 percent.
It was the 17th consecutive month to show a decline.