12. What percent of respondents are 18 years old? Table 2.29 Respondent's Age in Years Frequency Percent Valid Percent Cumulative Percent Valid 18 2 4.0 9.1 9.1 19 3 6.0 13.6 22.7 20 6 12.0 27.3 50.0 21 8 16.0 36.4 86.4 22 1 2.0 45 90.9 24 2.0 4.5 95.5 32 1 2.0 4.5 100.0 Total 22 44.0 100.0 Missing System 28 56.0 Total 50 100.0