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Figure 5-1: HMO Market Penetration, Metropolitan Areas, 1999 (Text Description)

The figure is a graph showing the percentages of metropolitan area populations enrolled in HMOs, by regions of the Nation. In the Northeast, HMO membership was highest in New Haven, at approximately 75 percent. In Rochester and Worcester, HMO enrollment was between 60 and 70 percent. In Philadelphia, Albany, and Springfield, HMO enrollment was between 40 and 50 percent. In Pittsburgh and New York, HMO membership was between 30 and 40 percent. In Newark and Lancaster, HMO enrollment was between 20 and 30 percent. HMO membership was lowest in Allentown, slightly less than 20 percent. In the South, HMO enrollment was highest in Miami, at approximately 52 percent. In Chattanooga, Nashville, and Tampa, HMO membership was between 40 and 50 percent. In Baltimore, Washington, DC, and Atlanta, HMO market penetration was between 30 and 40 percent. In Raleigh, Little Rock, and Melbourne, HMO membership was between 20 and 30 percent. In Charleston and Greenville, HMO membership was between 10 and 20 percent. In the Midwest, HMO enrollment was highest in Madison, at roughly 64 percent. In Kansas City and St. Louis, HMO membership was between 40 and 50 percent. In Minneapolis, Lansing, and Detroit, HMO enrollment was between 30 and 40 percent. In Saginaw and Wichita, HMO enrollment was between 20 and 30 percent. Approximately 16 percent of the population in Kalamazoo was enrolled in HMOs. In the West, HMO enrollment was highest in Oakland and Sacramento, at approximately 70 percent. In San Jose, HMO enrollment exceeded 60 percent. In Stockton, Los Angeles, and San Diego, HMO membership was between 50 and 60 percent. In Fresno, Ventura, and Phoenix, HMO market penetration was between 40 and 50 percent. In Salt Lake City and Bakersfield, HMO membership was between 30 and 40 percent. In Honolulu and Las Vegas, HMO enrollment was between 20 and 30 percent. HMO membership was lowest in Seattle, about 19 percent, and Tacoma, about 10 percent.

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