| Year | Total Expenses | Average Net Price |
|---|---|---|
| 2015 | $41,776 | $23,494 |
| 2016 | $43,478 | $25,499 |
| 2017 | $44,878 | $24,361 |
| 2018 | $44,878 | $24,489 |
| 2019 | $47,634 | $26,710 |
| 2020 | $48,400 | $27,476 |
| 2021* | $49,958 | $28,265 |
| 2022* | $51,567 | $29,076 |
| 2023* | $53,228 | $29,910 |
| 2024* | $54,942 | $30,769 |
| 2025* | $56,711 | $31,652 |
