| Year | Number | Observed name | Category | Types |
| 2010 | 499 (L) | 420 Zone | Drugs | Drug paraphenalia |
| 2011 | 499 (L) | 420 Zone | Drugs | Drug paraphenalia |
| 2012 | 499 (L) | 420 Zone | Drugs | Drug paraphenalia |
| 2013 | 499 (L) | 420 Zone | Drugs | Drug paraphenalia |
| 2014 | 499 (L) | 420 Zone | Drugs | Drug paraphenalia |
| 2015 | 499 (L) | 420 Zone | Drugs | Drug paraphenalia |
| 2016 | 499 (L) | 420 Zone | Drugs | Drug paraphenalia |
| 2017 | 499 (L) | 420 Zone | Drugs | Drug paraphenalia |
| 2018 | 499 (L) | 420 Zone | Drugs | Drug paraphenalia |
| 2019 | 499 (L) | 420 Zone | Drugs | Drug paraphenalia |
| 2020 | 499 (L) | 420 Zone | Drugs | Drug paraphenalia |
| 2021 | 499 (L) | 420 Zone | Drugs | Drug paraphenalia |
| 2022 | 499 (L) | 420 Zone | Drugs | Drug paraphenalia |
| 2023 | 499 (L) | 420 Zone: Vaporizers, E-liquid Bongs, Pipers, Rolling Papers | Drugs | Drug paraphenalia |
| 2024 | 499 (L) | 420 Zone: Vaporizers, E-liquid Bongs, Pipers, Rolling Papers | Drugs | Drug paraphenalia |