| Year | Total Expenses | Average Net Price |
|---|---|---|
| 2015 | $26,100 | $15,708 |
| 2016 | $26,985 | $16,691 |
| 2017 | $27,952 | $16,904 |
| 2018 | $27,952 | $17,502 |
| 2019 | $23,639 | $11,654 |
| 2020 | $24,807 | $12,822 |
| 2021* | $25,648 | $13,276 |
| 2022* | $26,517 | $13,746 |
| 2023* | $27,416 | $14,232 |
| 2024* | $28,346 | $14,736 |
| 2025* | $29,307 | $15,258 |
