Figure 4-1: Licensed Drivers in South Dakota by Age and Sex: 2000 ,, (Thousands),, Age,Male,Female 19 and under,21 ,20 20-24,26 ,25 25-29,22 ,22 30-34,23 ,22 35-39,26 ,26 40-44,28 ,28 45-49,27 ,26 50-54,23 ,22 55-59,17 ,17 60-64,14 ,14 65-69,13 ,13 70-74,12 ,13 75-79,10 ,11 80-84,6 ,8 ,,,,,,, 85 and over,4 ,5 ,,,,,,, "SOURCE: U.S. Department of Transportation, Federal Highway Administration, Highway Statistics 2000, Washington, DC: 2001.",,,,,,,,,