| Year | Total Expenses | Average Net Price |
|---|---|---|
| 2015 | $46,971 | $31,266 |
| 2016 | $47,585 | $33,236 |
| 2017 | $49,990 | $30,358 |
| 2018 | $49,990 | $26,735 |
| 2019 | $50,423 | $28,464 |
| 2020 | $52,033 | $30,074 |
| 2021* | $52,715 | $31,776 |
| 2022* | $53,405 | $33,575 |
| 2023* | $54,105 | $35,475 |
| 2024* | $54,814 | $37,483 |
| 2025* | $55,532 | $39,604 |