| Year | Total Expenses | Average Net Price |
|---|---|---|
| 2015 | $66,240 | $24,705 |
| 2016 | $68,430 | $25,956 |
| 2017 | $70,650 | $22,577 |
| 2018 | $70,650 | $22,600 |
| 2019 | $75,520 | $19,623 |
| 2020 | $66,540 | $10,643 |
| 2021* | $68,696 | $9,257 |
| 2022* | $70,922 | $8,052 |
| 2023* | $73,220 | $7,004 |
| 2024* | $75,592 | $6,092 |
| 2025* | $78,041 | $5,299 |