99情人 by ALEX TO (杜德偉) has sold 0 copies on streaming services.
99情人 certifications and sales
| Country / region | Sales | Certification / source | Certification date / sales as of |
| Total sales | 0 | Album-equivalent unit |
Total
Sales: 0
Album-equivalent unit
|
Year-end chart performance for 99情人
| Chart 1999 | Rank | Sales |
 Taiwanese Albums |
4 | 520,000 |