Kitakwimu umri wa wastani wa matairi katika Japani. 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 | 63 | 8.62 |
| 2024 | 122 | 7.27 |
| 2023 | 63 | 5.19 |
| 2022 | 32 | 4.43 |
| 2021 | 22 | 7.84 |
| 2020 | 30 | 4.81 |
| 2019 | 12 | 10.83 |
| 2018 | 2 | 4.99 |
| 2017 | 3 | 21.02 |
| Tarehe/Saa UTC | DOT | Umri wa tairi |
|---|---|---|
| 2025-06-29 01:13 | 2400 | 25 miaka 17 siku |
| 2025-06-25 17:09 | 2222 | 3 miaka 26 siku |
| 2025-06-20 07:27 | 0722 | 3 miaka 4 miezi 6 siku |
| 2025-06-15 02:26 | 0623 | 2 miaka 4 miezi 9 siku |
| 2025-06-11 14:26 | 3306 | 18 miaka 9 miezi 28 siku |
| 2025-06-02 13:51 | 4008 | 16 miaka 8 miezi 4 siku |
| 2025-05-22 01:34 | 1001 | 24 miaka 2 miezi 17 siku |
| 2025-05-20 13:14 | 3811 | 13 miaka 8 miezi 1 siku |
| 2025-05-10 08:06 | 1322 | 3 miaka 1 mwezi 12 siku |
| 2025-05-05 08:49 | 3622 | 2 miaka 8 miezi |
| 2025-05-05 08:49 | 4122 | 2 miaka 6 miezi 25 siku |
| 2025-05-05 08:48 | 4122 | 2 miaka 6 miezi 25 siku |
| 2025-05-05 08:45 | 4122 | 2 miaka 6 miezi 25 siku |
| 2025-04-30 01:53 | 3923 | 1 mwaka 7 miezi 5 siku |
| 2025-04-29 03:07 | 4920 | 4 miaka 4 miezi 30 siku |
| 2025-04-26 02:37 | 0125 | 3 miezi 27 siku |
| 2025-04-24 09:02 | 2820 | 4 miaka 9 miezi 18 siku |
| 2025-04-21 14:06 | 2420 | 4 miaka 10 miezi 13 siku |
| 2025-04-21 14:06 | 2920 | 4 miaka 9 miezi 8 siku |
| 2025-04-21 14:06 | 2420 | 4 miaka 10 miezi 13 siku |