| Year | Total Expenses | Average Net Price |
|---|---|---|
| 2015 | $29,150 | $14,560 |
| 2016 | $29,950 | $17,476 |
| 2017 | $31,200 | $18,654 |
| 2018 | $31,200 | $17,956 |
| 2019 | $33,344 | $19,144 |
| 2020 | $34,542 | $20,342 |
| 2021* | $35,782 | $21,689 |
| 2022* | $37,067 | $23,124 |
| 2023* | $38,397 | $24,655 |
| 2024* | $39,776 | $26,287 |
| 2025* | $41,204 | $28,028 |
