| Year | Total Expenses | Average Net Price |
|---|---|---|
| 2015 | $62,894 | $27,893 |
| 2016 | $64,698 | $26,642 |
| 2017 | $66,678 | $31,681 |
| 2018 | $66,678 | $30,319 |
| 2019 | $70,569 | $29,689 |
| 2020 | $73,000 | $32,120 |
| 2021* | $75,234 | $31,452 |
| 2022* | $77,536 | $30,798 |
| 2023* | $79,909 | $30,157 |
| 2024* | $82,354 | $29,530 |
| 2025* | $84,874 | $28,916 |