| Year | Total Expenses | Average Net Price |
|---|---|---|
| 2015 | $49,956 | $25,056 |
| 2016 | $50,946 | $24,092 |
| 2017 | $52,172 | $26,169 |
| 2018 | $52,172 | $25,928 |
| 2019 | $43,454 | $23,822 |
| 2020 | $44,488 | $24,856 |
| 2021* | $45,369 | $24,627 |
| 2022* | $46,267 | $24,401 |
| 2023* | $47,183 | $24,176 |
| 2024* | $48,117 | $23,954 |
| 2025* | $49,070 | $23,733 |
