THE FIRST (처음) by SUNG SI-KYUNG (성시경) has sold 40,742 copies in Korea.
THE FIRST (처음) certifications and sales
| Country / region | Sales | Certification / source | Certification date / sales as of | |
 Korea |
40,742 | RIAK / Gaon charts |
Korea Sales: 40,742
Certification / note: RIAK / Gaon charts
Certification Date / sales as of:
|
|
| Total sales | 40,742 | (in 1 country) |
Total
Sales: 40,742
(in 1 country)
|
Year-end chart performance for THE FIRST (처음)
| Chart 2011 | Rank | Sales |
| South Korean Albums (Gaon) |
36 | 40,742 |