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Data are presented as frequency and percentage, n (%). No inferential statistical test was applied. n: number of cases.
| Age Group (Years) | Number of Cases | n (%) |
| <20 | 210 | 9.8% |
| 21-30 | 615 | 28.6% |
| 31-40 | 540 | 25.1% |
| 41-50 | 425 | 19.7% |
| >50 | 363 | 16.8% |
