Table 8
  TAX CREDITS AND CHECKOFFS
  1999
  Listed by number of taxpayers
    NUMBER AMOUNT AVERAGE
  HOMELESS CONTRIBUTION 7,318 $117,328 $16
  ORGAN TRANSPLANT 6,008 $69,422 $12
  NONGAME WILDLIFE 4,291 $43,481 $10
  USE TAX 4,002 $205,551 $51
  MINERAL PRODUCTION WITHOLDING 2,124 $1,578,805 $743
  GAS TAX 1,690 $485,085 $287
  CLEAN FUEL 382 $21,836 $57
  QUALIFIED WORKSHOP 210 $26,262 $125
  HISTORICAL PRESERVATION 118 $469,731 $3,981
  TUTORING CREDIT 111 $10,169 $92
  ENERGY SYSTEM 95 $85,174 $897
  ENTERPRISE ZONE 62 $210,763 $3,399
  LOW INCOME HOUSING 33 $15,652 $474
  CLEAN VEHICLE 17 $3,742 $220
  RECYCLING 13 $40,822 $3,140
  HIRE DISABLED          <10 n.a. n.a.