Bar Chart shows MDMA (Ecstasy) Percent Using in the Past 30 Days of 8th, 10th and 12th Graders respectively.

1998: 1.8, 3.3, 3.6

1999: 1.7, 4.4, 5.6

2000: 3.1, 5.4, 8.2

Source: Monitoring the Future, 2000