  
<prompt> Trends in Childhood Vaccination Coverage | Percentage of children age 12-23 months fully vaccinated | (1993, 79) (1998, 65) (2003, 57) (2008, 77) <response> Although there are variations in childhood vaccination coverage among children age 12-23 months overall are fully vaccinated, the proportion of children age 12-23 months who had fully vaccinated has increased since 1997.  