| Year | Total Expenses | Average Net Price |
|---|---|---|
| 2015 | $47,780 | $25,434 |
| 2016 | $48,500 | $27,790 |
| 2017 | $50,000 | $25,778 |
| 2018 | $50,000 | $28,148 |
| 2019 | $52,049 | $27,253 |
| 2020 | $54,080 | $29,284 |
| 2021* | $55,751 | $31,466 |
| 2022* | $57,474 | $33,810 |
| 2023* | $59,250 | $36,329 |
| 2024* | $61,081 | $39,035 |
| 2025* | $62,968 | $41,943 |