77 percent of those who buy their own coverage have had cost increases Wellpoint a big health insurer sharply criticized by the Obama Administration for seeking to raise rates up to 39 percent for some California policyholders earlier this year was not unusual in seeking double-digit increases, a new survey finds. People who buy their own health insurance report the most recent rate increase requests have averaged 20 percent, according to the survey released Monday by the Kaiser Family Foundation. (KHN is a part of the foundation.) Prices jump for individual insurance premiums - Health care- msnbc.com © 2010 This information was reprinted with permission from KHN. KHN is an editorially independent news service and a program of the Kaiser Family Foundation, a nonpartisan health care policy organization that isnt affiliated with Kaiser Permanente.