| Year | Total Expenses | Average Net Price |
|---|---|---|
| 2014 | N/A | N/A |
| 2015 | $35,060 | $29,109 |
| 2016 | $35,096 | $29,378 |
| 2017 | $33,296 | $26,854 |
| 2018 | $33,296 | $26,185 |
| 2019 | $34,534 | $28,837 |
| 2020* | $34,551 | $28,612 |
| 2021* | $34,569 | $28,389 |
| 2022* | $34,586 | $28,167 |
| 2023* | $34,603 | $27,948 |
| 2024* | $34,620 | $27,730 |
