| Year | Total Expenses | Average Net Price |
|---|---|---|
| 2015 | $29,925 | $14,551 |
| 2016 | $31,095 | $14,494 |
| 2017 | $32,000 | $14,024 |
| 2018 | $32,000 | $14,459 |
| 2019 | $35,145 | $14,533 |
| 2020 | $36,940 | $16,328 |
| 2021* | $38,384 | $16,411 |
| 2022* | $39,885 | $16,495 |
| 2023* | $41,445 | $16,579 |
| 2024* | $43,065 | $16,664 |
| 2025* | $44,749 | $16,749 |