| Organisatie / activiteit | 04-2024 | 03-2024 | 02-2024 | 01-2024 | 2024 | 12-2023 | 10-2023 | 2023 | 2021 | 2020 | 2019 | 2018 | 2017 | 2016 | 2015 | 2014 | 2013 | Totaal | Conciërge Basisschool | 0 | 0 | 248 |
| Montessorischool Spijkenisse | 1 | 1 | 1 | 1 | 4 | 1 | 2 | 48 | 72 | 97 | 78 | 79 | 97 | 200 | 235 | 118 | 60 | ||
| Totaal | 1 | 1 | 1 | 1 | 4 | 1 | 2 | 48 | 72 | 97 | 78 | 79 | 97 | 200 | 235 | 118 | 308 | 1.405 |