| 年份 | 市场规模(亿元) | 预估数量(台) |
| 2014 | 5.6 | 28,000 |
| 2015 | 6.5 | 32,500 |
| 2016 | 7.6 | 38,000 |
| 2017 | 8.7 | 43,500 |
| 2018 | 10.2 | 51,000 |
| 2019 | 11.1 | 55,500 |
| 2020 | 12.3 | 61,500 |
| 2021 | 14.1 | 70,500 |