ข้อที่ 1.

Directions: Study the bar charts and answer the questions that follow. (Item 1-4)

What does this bar chart display?

1
the percentage of children who are immunized in one year
2
the number of one-year-old children immunized against measles
3
the percentage of the one-year-olds all over the world who were vaccinated against measles
4
the percentage of measles vaccine used on one year-old-children between 1989-1990