| Year | Total Expenses | Average Net Price |
|---|---|---|
| 2015 | $53,905 | $32,130 |
| 2016 | $55,455 | $33,754 |
| 2017 | $57,560 | $35,062 |
| 2018 | $57,560 | $34,187 |
| 2019 | $62,195 | $32,966 |
| 2020 | $64,044 | $34,815 |
| 2021* | $65,946 | $36,166 |
| 2022* | $67,905 | $37,569 |
| 2023* | $69,921 | $39,027 |
| 2024* | $71,998 | $40,541 |
| 2025* | $74,136 | $42,114 |
