| Year | Total Expenses | Average Net Price |
|---|---|---|
| 2015 | $64,477 | $22,118 |
| 2016 | $66,696 | $23,578 |
| 2017 | $69,109 | $21,327 |
| 2018 | $69,109 | $18,975 |
| 2019 | $74,570 | $19,762 |
| 2020 | $78,218 | $23,410 |
| 2021* | $81,049 | $24,382 |
| 2022* | $83,983 | $25,393 |
| 2023* | $87,024 | $26,447 |
| 2024* | $90,174 | $27,545 |
| 2025* | $93,438 | $28,688 |