| Year | Total Expenses | Average Net Price |
|---|---|---|
| 2015 | $48,715 | $24,575 |
| 2016 | $50,108 | $24,270 |
| 2017 | $52,150 | $25,137 |
| 2018 | $52,150 | $25,816 |
| 2019 | $55,115 | $26,655 |
| 2020 | $57,739 | $29,279 |
| 2021* | $60,095 | $30,231 |
| 2022* | $62,547 | $31,213 |
| 2023* | $65,099 | $32,227 |
| 2024* | $67,755 | $33,275 |
| 2025* | $70,519 | $34,356 |