| Year | Total Expenses | Average Net Price |
|---|---|---|
| 2015 | N/A | N/A |
| 2016 | $28,456 | $25,250 |
| 2017 | $28,576 | $24,194 |
| 2018 | $28,576 | $24,835 |
| 2019 | $28,840 | $24,177 |
| 2020 | $28,840 | $24,177 |
| 2021* | $28,901 | $23,858 |
| 2022* | $28,961 | $23,543 |
| 2023* | $29,022 | $23,232 |
| 2024* | $29,083 | $22,926 |
| 2025* | $29,144 | $22,623 |
