| Year | Total Expenses | Average Net Price |
|---|---|---|
| 2015 | $65,244 | $36,900 |
| 2016 | $67,722 | $38,136 |
| 2017 | $70,108 | $38,914 |
| 2018 | $70,108 | $39,450 |
| 2019 | $75,190 | $35,408 |
| 2020 | $77,995 | $38,213 |
| 2021* | $80,904 | $38,993 |
| 2022* | $83,922 | $39,788 |
| 2023* | $87,052 | $40,600 |
| 2024* | $90,299 | $41,428 |
| 2025* | $93,667 | $42,273 |