| Year | Total Expenses | Average Net Price |
|---|---|---|
| 2015 | $40,153 | $35,158 |
| 2016 | $40,168 | N/A |
| 2017 | $40,172 | N/A |
| 2018 | $40,172 | N/A |
| 2019 | $41,825 | $37,674 |
| 2020 | $42,415 | $38,264 |
| 2021* | $42,432 | $38,865 |
| 2022* | $42,449 | $39,475 |
| 2023* | $42,466 | $40,095 |
| 2024* | $42,483 | $40,724 |
| 2025* | $42,500 | $41,364 |
