on the U.S KP .Government, 1996 — 2009. (@E) www.kpcb.com USA Inc. | Balance Sheet Drilldown 214 HOUSE_OVERSIGHT_020948 Important Caveats on F2010 Medicare Liability Improvement e Medicare Part A and Part B unfunded liability improved to -$16 trillion in F2010, up 47% from -$31 trillion in F2009, per the Board of Medicare Tr