The SPS Membership Development Report is designed to give the SPS Boards insight into the Society’s month-over-month and year-over-year growths and declines. It highlights, in detail, Society strengths and areas for improvement in membership and subscriptions. The report also serves as a roadmap for membership development initiatives, outlining current and future membership development plans and tracking their progress month-by-month.
Membership Development Reports | |
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| 2025 | |
| 2024 | |
| 2023 | |
| 2022 | |
| 2021 | |
| 2020 | |
| 2019 | |
| 2018 | |
| 2017 | |
| 2016 | |
| 2015 | |
| 2014 | |
| 2013 | |
| 2012 | |
| 2011 | |
| 2010 | |
| 2009 | |
