Journal Abbreviation: SOUTHWEST NAT
Journal ISSN: 0038-4909
| Year | Impact Factor (IF) | Total Articles | Total Cites |
| 2024 (2025 update) | 0.3 | - | 1213 |
| 2023 | - | - | |
| 2022 | 0.2 | - | 1199 |
| 2021 | 0.149 | - | 1348 |
| 2020 | 0.267 | 13 | 1357 |
| 2019 | 0.127 | 12 | 1224 |
| 2018 | 0.226 | 0 | 1120 |
| 2017 | 0.244 | 25 | 1158 |
| 2016 | 0.219 | 46 | 1170 |
| 2015 | 0.255 | 42 | 1142 |
| 2014 | 0.273 | - | 1018 |
| 2013 | 0.207 | - | 1011 |
| 2012 | 0.279 | 93 | 1040 |
| 2011 | 0.309 | 71 | 1005 |