Figure 1

Average amount of annual expenditures^* by funding source^† and immunization information system size^§ , 1998-2002.^*Dollars inflated to 2002 dollars. ^†Sources of funds included immunization grants from the Centers for Disease Control and Prevention (CDC), funding support from other CDC offices and other federal agencies, state government funds, local government funds, private donations, in-kind support, and other sources of funds (e.g., user fees). ^§Cut points in immunization information system size are based on five equal intervals between 0 and 3.4 million records