I wish I could give you an answer on that, but it top secrete government info No really, I don't know because we don't keep track of that information. These downloads are open to the public so anyone can download them.
Here is the brake down of the downloads
Erosion 1 : DWF=179 PDF=254
Erosion 2 : DWF=158 PDF=130
Sidewalk : DWF=180 PDF=166
Water 1 : DWF=112 PDF=111
Water 2 : DWF=171 PDF=134
Sewer : DWF=180 PDF=236
Street : DWF=236 PDF=230
DWF isn't kicking @ss, but its keeping up.