| Mode: For a past period of time For all time by years For all time by quarters For all time by months |
Памяти Н.Н.Думной / Грязнова А.Г., Сумароков В.Н., Юданов А.Ю. и др. // Мир новой экономики. – 2015. – №4. — Свободный доступ из сети Интернет (чтение, печать, копирование). — <URL:http://elib.fa.ru/art2015/bv4159.pdf>.
| Period | Read | Copy | Open | Total | |
|---|---|---|---|---|---|
| Year 2018 | 30 | 0 | 75 | 0 | 105 |
| Year 2019 | 42 | 0 | 119 | 0 | 161 |
| Year 2020 | 79 | 0 | 92 | 0 | 171 |
| Year 2021 | 104 | 0 | 92 | 0 | 196 |
| Year 2022 | 121 | 0 | 61 | 0 | 182 |
| Year 2023 | 61 | 0 | 88 | 0 | 149 |
| Year 2024 | 26 | 0 | 46 | 0 | 72 |
| Total | 463 | 0 | 573 | 0 | 1,036 |