| Year | Total Expenses | Average Net Price |
|---|---|---|
| 2015 | $50,224 | $31,552 |
| 2016 | $51,388 | $32,532 |
| 2017 | $52,547 | $33,088 |
| 2018 | $52,547 | $33,336 |
| 2019 | $55,391 | $33,941 |
| 2020 | $56,522 | $35,072 |
| 2021* | $57,799 | $35,707 |
| 2022* | $59,106 | $36,353 |
| 2023* | $60,441 | $37,011 |
| 2024* | $61,807 | $37,681 |
| 2025* | $63,204 | $38,363 |
