| Year | Total Expenses | Average Net Price |
|---|---|---|
| 2015 | $63,045 | $31,068 |
| 2016 | $65,183 | $34,116 |
| 2017 | $67,633 | $35,950 |
| 2018 | $67,633 | $35,034 |
| 2019 | $71,630 | $34,990 |
| 2020 | $74,190 | $37,550 |
| 2021* | $76,839 | $39,570 |
| 2022* | $79,582 | $41,699 |
| 2023* | $82,423 | $43,942 |
| 2024* | $85,365 | $46,307 |
| 2025* | $88,413 | $48,798 |
