Well,...here's what I googled up.

http://www.wral.com/how-one-city-in-nc-cut-violent-crime-by-60-percent/13240777/

HIGH POINT, N.C. � The Rev. Jim Summey was fed up. On his way to church in 1995, Summey counted 13 prostitutes standing on the sidewalk within three blocks of his English Road Baptist Church.
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"The neighborhood is like 100 percent better compared to what it was 20 years ago," McInnis said.


Now,..that 100% improvement could mean that there's 6.5 prostitutes every 3 blocks these days or it could mean that there's 26.

Like everything else, it just depends on your perspective.