Driven largely by the Resorts World Catskills casino's opening, nonfarm employment continued its steep rise in Sullivan County, growing to 30,000 in June, up 2,100 jobs, or 7.5 percent, from June 2017, according to the latest jobs report from New York state's Department of Labor.By a wide margin, Sullivan County had the biggest percentage increase in nonfarm employment of any New York area.