| 車齡 |
檢測不合格數 |
檢測數 |
不合格率 |
| 3 | 10,554 | 89,317 | 11.82% |
| 4 | 10,636 | 111,377 | 9.55% |
| 5 | 9,443 | 98,022 | 9.63% |
| 6 | 8,357 | 84,152 | 9.93% |
| 7 | 10,200 | 95,181 | 10.72% |
| 8 | 13,062 | 106,986 | 12.21% |
| 9 | 13,934 | 100,825 | 13.82% |
| 10 | 16,863 | 96,768 | 17.43% |
| 11 | 21,045 | 104,076 | 20.22% |
| 12 | 18,732 | 82,936 | 22.59% |
| 13 | 19,840 | 85,893 | 23.10% |
| 14 | 18,253 | 73,332 | 24.89% |
| 15 | 11,502 | 48,886 | 23.53% |
| 16 | 8,344 | 30,255 | 27.58% |
| 17 | 3,320 | 12,577 | 26.40% |
| 18 | 1,985 | 6,987 | 28.41% |
| 19 | 1,168 | 3,954 | 29.54% |
| 20(含以上) | 3,522 | 11,805 | 29.83% |
| 不詳 | 1,898 | 9,026 | 21.03% |
| 合計 | 202,658 | 1,252,355 | 16.18% |
註１：依車輛出廠年月統計，同車號以1筆計算。
註２：不合格率計算公式如下：
不合格率(%)=(檢測不合格數 / 檢測數) * 100%
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