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 | 27 | 11.87 |
| 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 |
|---|---|---|
| 2025-05-07 09:32 | 0125 | 4 miezi 7 siku |
| 2025-04-28 15:11 | 1325 | 1 mwezi 4 siku |
| 2025-04-28 15:10 | 1820 | 5 miaka 1 siku |
| 2025-04-25 10:57 | 403 | 31 miaka 6 miezi 21 siku |
| 2025-04-24 11:24 | 0220 | 5 miaka 3 miezi 18 siku |
| 2025-04-21 09:24 | 4720 | 4 miaka 5 miezi 5 siku |
| 2025-04-21 09:23 | 4724 | 5 miezi 3 siku |
| 2025-04-21 09:23 | 4720 | 4 miaka 5 miezi 5 siku |
| 2025-04-10 06:20 | 1124 | 1 mwaka 30 siku |
| 2025-04-10 06:19 | 2510 | 14 miaka 9 miezi 20 siku |
| 2025-04-02 07:36 | 4508 | 16 miaka 4 miezi 30 siku |
| 2025-03-24 09:22 | 0410 | 15 miaka 1 mwezi 27 siku |
| 2025-03-22 12:38 | 3712 | 12 miaka 6 miezi 12 siku |
| 2025-03-06 12:24 | 0116 | 9 miaka 2 miezi 2 siku |
| 2025-03-06 08:15 | 423 | 31 miaka 4 miezi 16 siku |
| 2025-02-17 02:04 | 0201 | 24 miaka 1 mwezi 9 siku |
| 2025-02-14 03:09 | 3103 | 21 miaka 6 miezi 17 siku |
| 2025-02-12 14:24 | 4003 | 21 miaka 4 miezi 14 siku |
| 2025-02-10 10:19 | 1002 | 22 miaka 11 miezi 6 siku |
| 2025-02-05 15:48 | 2502 | 22 miaka 7 miezi 19 siku |