| Year | Total Expenses | Average Net Price |
|---|---|---|
| 2015 | $56,710 | $32,612 |
| 2016 | $58,920 | $31,296 |
| 2017 | $61,120 | $31,149 |
| 2018 | $61,120 | $27,838 |
| 2019 | $65,400 | $26,711 |
| 2020 | $67,560 | $28,871 |
| 2021* | $70,080 | $27,705 |
| 2022* | $72,694 | $26,585 |
| 2023* | $75,405 | $25,511 |
| 2024* | $78,218 | $24,481 |
| 2025* | $81,136 | $23,492 |
