그림 1에 있는 두 개의 막대는 각각 국세청이 설립된 연도1966년와 부가 가치세가 도입된 연도1976년을 나타낸다.
The two bars in Figure 1 represent the year in which the IRS was established, which was in 1966, and the year in which VAT was introduced, which was in 1976, respectively.