Лосева О.В. Деловая активность как опережающий индикатор экономического развития: зарубежный и российский опыт / Лосева О.В., Федотова М.А., Хотинская Г.И. // Вестник Финансового университета. – 2015. – №3(87). — Свободный доступ из сети Интернет (чтение, печать, копирование). — <URL:http://elib.fa.ru/art2015/bv2197.pdf>.
| Period | Read | Copy | Open | Total | ||
|---|---|---|---|---|---|---|
| Year 2018 | Quarter 1 | 13 | 0 | 5 | 0 | 18 |
| Quarter 2 | 19 | 0 | 3 | 0 | 22 | |
| Quarter 3 | 16 | 0 | 6 | 0 | 22 | |
| Quarter 4 | 14 | 0 | 3 | 0 | 17 | |
| Year 2019 | Quarter 1 | 4 | 0 | 6 | 0 | 10 |
| Quarter 2 | 15 | 0 | 5 | 0 | 20 | |
| Quarter 3 | 6 | 0 | 4 | 0 | 10 | |
| Quarter 4 | 13 | 0 | 8 | 0 | 21 | |
| Year 2020 | Quarter 1 | 17 | 0 | 8 | 0 | 25 |
| Quarter 2 | 15 | 0 | 17 | 0 | 32 | |
| Quarter 3 | 27 | 0 | 11 | 0 | 38 | |
| Quarter 4 | 25 | 0 | 11 | 0 | 36 | |
| Year 2021 | Quarter 1 | 18 | 0 | 14 | 0 | 32 |
| Quarter 2 | 26 | 0 | 18 | 0 | 44 | |
| Quarter 3 | 28 | 0 | 21 | 0 | 49 | |
| Quarter 4 | 20 | 0 | 12 | 0 | 32 | |
| Year 2022 | Quarter 1 | 23 | 0 | 7 | 0 | 30 |
| Quarter 2 | 30 | 0 | 15 | 0 | 45 | |
| Quarter 3 | 80 | 0 | 9 | 0 | 89 | |
| Quarter 4 | 38 | 0 | 8 | 0 | 46 | |
| Year 2023 | Quarter 1 | 12 | 0 | 6 | 0 | 18 |
| Quarter 2 | 25 | 0 | 13 | 0 | 38 | |
| Quarter 3 | 14 | 0 | 6 | 0 | 20 | |
| Quarter 4 | 15 | 0 | 11 | 0 | 26 | |
| Year 2024 | Quarter 1 | 12 | 0 | 11 | 0 | 23 |
| Quarter 2 | 56 | 0 | 44 | 0 | 100 | |
| Quarter 3 | 34 | 0 | 29 | 0 | 63 | |
| Quarter 4 | 32 | 0 | 18 | 0 | 50 | |
| Year 2025 | Quarter 1 | 39 | 0 | 31 | 0 | 70 |
| Quarter 2 | 44 | 0 | 26 | 0 | 70 | |
| Quarter 3 | 54 | 0 | 37 | 0 | 91 | |
| Quarter 4 | 70 | 0 | 44 | 0 | 114 | |
| Year 2026 | Quarter 1 | 54 | 0 | 19 | 0 | 73 |
| Total | 908 | 0 | 486 | 0 | 1,394 | |