Липатова И.В. Система регионального налогообложения: правовой и экономический анализ // Учет.Анализ.Аудит. – 2017. – №1. — Свободный доступ из сети Интернет (чтение, печать, копирование). — <URL:http://elib.fa.ru/art2017/bv747.pdf>.
| Period | Read | Copy | Open | Total | ||
|---|---|---|---|---|---|---|
| Year 2018 | Quarter 1 | 2 | 0 | 10 | 0 | 12 |
| Quarter 2 | 7 | 0 | 3 | 0 | 10 | |
| Quarter 3 | 8 | 0 | 6 | 0 | 14 | |
| Quarter 4 | 9 | 0 | 7 | 0 | 16 | |
| Year 2019 | Quarter 1 | 7 | 0 | 3 | 0 | 10 |
| Quarter 2 | 10 | 0 | 11 | 0 | 21 | |
| Quarter 3 | 14 | 0 | 7 | 0 | 21 | |
| Quarter 4 | 12 | 0 | 3 | 0 | 15 | |
| Year 2020 | Quarter 1 | 11 | 0 | 3 | 0 | 14 |
| Quarter 2 | 15 | 0 | 7 | 0 | 22 | |
| Quarter 3 | 16 | 0 | 6 | 0 | 22 | |
| Quarter 4 | 14 | 0 | 6 | 0 | 20 | |
| Year 2021 | Quarter 1 | 11 | 0 | 10 | 0 | 21 |
| Quarter 2 | 16 | 0 | 7 | 0 | 23 | |
| Quarter 3 | 25 | 0 | 14 | 0 | 39 | |
| Quarter 4 | 26 | 0 | 9 | 0 | 35 | |
| Year 2022 | Quarter 1 | 28 | 0 | 6 | 0 | 34 |
| Quarter 2 | 30 | 0 | 11 | 0 | 41 | |
| Quarter 3 | 26 | 0 | 3 | 0 | 29 | |
| Quarter 4 | 23 | 0 | 6 | 0 | 29 | |
| Year 2023 | Quarter 1 | 17 | 0 | 9 | 0 | 26 |
| Quarter 2 | 16 | 0 | 10 | 0 | 26 | |
| Quarter 3 | 11 | 0 | 4 | 0 | 15 | |
| Quarter 4 | 12 | 0 | 7 | 0 | 19 | |
| Year 2024 | Quarter 1 | 15 | 0 | 13 | 0 | 28 |
| Quarter 2 | 51 | 0 | 34 | 0 | 85 | |
| Quarter 3 | 30 | 0 | 36 | 0 | 66 | |
| Quarter 4 | 31 | 0 | 23 | 0 | 54 | |
| Year 2025 | Quarter 1 | 24 | 0 | 16 | 0 | 40 |
| Quarter 2 | 49 | 0 | 23 | 0 | 72 | |
| Quarter 3 | 52 | 0 | 32 | 0 | 84 | |
| Quarter 4 | 51 | 0 | 35 | 0 | 86 | |
| Year 2026 | Quarter 1 | 37 | 0 | 15 | 0 | 52 |
| Total | 706 | 0 | 395 | 0 | 1,101 | |