Площадь Лихачева [Электронный ресурс]: [сайт] / Санкт-Петербургский гуманитарный университет профсоюзов. — Электрон. дан. — СПб., 2011. — Загл. с титул. экрана. — Свободный доступ из сети Интернет (чтение, печать, копирование). — Internet Explorer 6.0. — <URL:http://www.lihachev.ru/>.
| Period | Read | Copy | Open | Total | ||
|---|---|---|---|---|---|---|
| Year 2011 | Quarter 2 | 0 | 0 | 0 | 1 | 1 |
| Quarter 3 | 0 | 0 | 0 | 0 | 0 | |
| Quarter 4 | 0 | 0 | 0 | 0 | 0 | |
| Year 2012 | Quarter 1 | 0 | 0 | 0 | 0 | 0 |
| Quarter 2 | 0 | 0 | 0 | 0 | 0 | |
| Quarter 3 | 0 | 0 | 0 | 0 | 0 | |
| Quarter 4 | 0 | 0 | 0 | 2 | 2 | |
| Year 2013 | Quarter 1 | 0 | 0 | 0 | 0 | 0 |
| Quarter 2 | 0 | 0 | 0 | 0 | 0 | |
| Quarter 3 | 0 | 0 | 0 | 0 | 0 | |
| Quarter 4 | 0 | 0 | 0 | 2 | 2 | |
| Year 2014 | Quarter 1 | 0 | 0 | 0 | 0 | 0 |
| Quarter 2 | 0 | 0 | 0 | 0 | 0 | |
| Quarter 3 | 0 | 0 | 0 | 0 | 0 | |
| Quarter 4 | 0 | 0 | 0 | 1 | 1 | |
| Year 2015 | Quarter 1 | 0 | 0 | 0 | 0 | 0 |
| Quarter 2 | 0 | 0 | 0 | 1 | 1 | |
| Quarter 3 | 0 | 0 | 0 | 0 | 0 | |
| Quarter 4 | 0 | 0 | 0 | 3 | 3 | |
| Year 2016 | Quarter 1 | 0 | 0 | 0 | 1 | 1 |
| Quarter 2 | 0 | 0 | 0 | 0 | 0 | |
| Quarter 3 | 0 | 0 | 0 | 1 | 1 | |
| Quarter 4 | 0 | 0 | 0 | 4 | 4 | |
| Year 2017 | Quarter 1 | 0 | 0 | 0 | 33 | 33 |
| Quarter 2 | 0 | 0 | 0 | 15 | 15 | |
| Quarter 3 | 0 | 0 | 0 | 4 | 4 | |
| Quarter 4 | 0 | 0 | 0 | 3 | 3 | |
| Year 2018 | Quarter 1 | 0 | 0 | 0 | 5 | 5 |
| Quarter 2 | 0 | 0 | 0 | 1 | 1 | |
| Quarter 3 | 0 | 0 | 0 | 0 | 0 | |
| Quarter 4 | 0 | 0 | 0 | 0 | 0 | |
| 2019 | Quarter 1 | 0 | 0 | 0 | 0 | 0 |
| Quarter 2 | 0 | 0 | 0 | 0 | 0 | |
| Quarter 3 | 0 | 0 | 0 | 0 | 0 | |
| Quarter 4 | 0 | 0 | 0 | 0 | 0 | |
| 2020 | Quarter 1 | 0 | 0 | 0 | 0 | 0 |
| Quarter 2 | 0 | 0 | 0 | 0 | 0 | |
| Quarter 3 | 0 | 0 | 0 | 0 | 0 | |
| Quarter 4 | 0 | 0 | 0 | 0 | 0 | |
| 2021 | Quarter 1 | 0 | 0 | 0 | 0 | 0 |
| Quarter 2 | 0 | 0 | 0 | 0 | 0 | |
| Quarter 3 | 0 | 0 | 0 | 0 | 0 | |
| Quarter 4 | 0 | 0 | 0 | 0 | 0 | |
| Year 2022 | Quarter 1 | 0 | 0 | 0 | 0 | 0 |
| Quarter 2 | 0 | 0 | 0 | 0 | 0 | |
| Quarter 3 | 0 | 0 | 0 | 2 | 2 | |
| Quarter 4 | 0 | 0 | 0 | 0 | 0 | |
| Year 2023 | Quarter 1 | 0 | 0 | 0 | 0 | 0 |
| Quarter 2 | 0 | 0 | 0 | 3 | 3 | |
| Quarter 3 | 0 | 0 | 0 | 4 | 4 | |
| Quarter 4 | 0 | 0 | 0 | 10 | 10 | |
| Year 2024 | Quarter 1 | 0 | 0 | 0 | 44 | 44 |
| Quarter 2 | 0 | 0 | 0 | 49 | 49 | |
| Quarter 3 | 0 | 0 | 0 | 29 | 29 | |
| Quarter 4 | 0 | 0 | 0 | 33 | 33 | |
| Year 2025 | Quarter 1 | 0 | 0 | 0 | 8 | 8 |
| Total | 0 | 0 | 0 | 259 | 259 | |