| Year | Total Expenses | Average Net Price |
|---|---|---|
| 2015 | $55,450 | $30,955 |
| 2016 | $57,580 | $32,272 |
| 2017 | $59,780 | $31,130 |
| 2018 | $59,780 | $29,394 |
| 2019 | $65,000 | $29,922 |
| 2020 | $67,500 | $32,422 |
| 2021* | $70,092 | $33,006 |
| 2022* | $72,784 | $33,600 |
| 2023* | $75,578 | $34,204 |
| 2024* | $78,481 | $34,820 |
| 2025* | $81,494 | $35,447 |