| Year | Total Expenses | Average Net Price |
|---|---|---|
| 2015 | $51,030 | $27,938 |
| 2016 | $52,460 | $28,450 |
| 2017 | $53,910 | $28,427 |
| 2018 | $53,910 | $27,726 |
| 2019 | $56,910 | $25,811 |
| 2020 | $58,710 | $27,611 |
| 2021* | $60,354 | $27,589 |
| 2022* | $62,044 | $27,567 |
| 2023* | $63,781 | $27,545 |
| 2024* | $65,567 | $27,523 |
| 2025* | $67,403 | $27,501 |