By Richard Horgan Los Angeles (Knewz) — Just a handful of the top 50 U.S. metropolitan markets experienced single-digit percentage rent increases in the past year. And one, in particular, stands out as the bargain of the nation: Detroit-Warren-Dearborn. Since March 2021, according to Realtor. com, rents in the Michigan region have increased an average of just 0.7 percent. That’s right, less than a single percentage point. Nationally, the overall average rent increase in the past year stands at 17 percent. But again, there are some wild divergences. In Miami-Fort Lauderdale-West Palm Beach, ren…