Kitakwimu umri wa wastani wa matairi katika China. Umri wa takwimu wa matairi katika miaka fulani huhesabiwa kwa msingi wa data iliyoingizwa na watumiaji wa tovuti ya CheckTire.com.
| Mwaka | idadi ya matumizi | Umri wa wastani wa matairi |
|---|---|---|
| 2025 | 59 | 12.15 |
| 2024 | 63 | 12.43 |
| 2023 | 20 | 16.28 |
| 2022 | 22 | 11.46 |
| 2021 | 39 | 16.15 |
| 2020 | 10 | 13.93 |
| 2019 | 13 | 12.47 |
| 2018 | 11 | 6.01 |
| 2017 | 27 | 11.53 |
| Tarehe/Saa UTC | DOT | Umri wa tairi |
|---|---|---|
| 2025-10-18 07:09 | 4319 | 5 miaka 11 miezi 27 siku |
| 2025-10-11 05:00 | 2220 | 5 miaka 4 miezi 16 siku |
| 2025-10-02 08:40 | 501 | 33 miaka 9 miezi 23 siku |
| 2025-10-02 06:13 | 1324 | 1 mwaka 6 miezi 7 siku |
| 2025-09-23 10:02 | 3213 | 12 miaka 1 mwezi 18 siku |
| 2025-09-15 08:40 | 4820 | 4 miaka 9 miezi 23 siku |
| 2025-09-14 09:53 | 1603 | 22 miaka 5 miezi |
| 2025-09-11 09:41 | 2416 | 9 miaka 2 miezi 29 siku |
| 2025-09-09 13:40 | 3301 | 24 miaka 27 siku |
| 2025-08-26 13:10 | 3310 | 15 miaka 10 siku |
| 2025-08-24 10:35 | 0524 | 1 mwaka 6 miezi 26 siku |
| 2025-08-16 09:10 | 1024 | 1 mwaka 5 miezi 12 siku |
| 2025-08-16 06:08 | 1201 | 24 miaka 4 miezi 28 siku |
| 2025-07-22 08:57 | 4319 | 5 miaka 9 miezi 1 siku |
| 2025-07-13 13:43 | 2502 | 23 miaka 26 siku |
| 2025-07-07 12:58 | 2412 | 13 miaka 26 siku |
| 2025-07-02 11:07 | 0107 | 18 miaka 6 miezi 1 siku |
| 2025-07-01 13:49 | 2800 | 24 miaka 11 miezi 21 siku |
| 2025-06-21 04:20 | 110 | 35 miaka 3 miezi 9 siku |
| 2025-06-17 12:42 | 0824 | 1 mwaka 3 miezi 29 siku |