| Year | Total Expenses | Average Net Price |
|---|---|---|
| 2015 | $41,333 | $26,381 |
| 2016 | $42,668 | $28,501 |
| 2017 | $44,244 | $27,162 |
| 2018 | $44,244 | $23,210 |
| 2019 | $46,150 | $26,768 |
| 2020 | $47,400 | $28,018 |
| 2021* | $48,931 | $29,326 |
| 2022* | $50,511 | $30,696 |
| 2023* | $52,143 | $32,129 |
| 2024* | $53,827 | $33,630 |
| 2025* | $55,566 | $35,200 |