| Year | Total Expenses | Average Net Price |
|---|---|---|
| 2015 | $43,294 | $24,874 |
| 2016 | $44,354 | $25,239 |
| 2017 | $45,148 | $24,235 |
| 2018 | $45,148 | $24,136 |
| 2019 | $38,612 | $15,923 |
| 2020 | $39,251 | $16,562 |
| 2021* | $39,899 | $16,494 |
| 2022* | $40,557 | $16,426 |
| 2023* | $41,226 | $16,359 |
| 2024* | $41,906 | $16,292 |
| 2025* | $42,598 | $16,225 |