| Year | Total Expenses | Average Net Price |
|---|---|---|
| 2015 | $57,950 | $31,323 |
| 2016 | $60,130 | $32,131 |
| 2017 | $62,600 | $32,235 |
| 2018 | $62,600 | $33,183 |
| 2019 | $68,968 | $35,474 |
| 2020 | $71,780 | $38,286 |
| 2021* | $74,709 | $39,412 |
| 2022* | $77,757 | $40,570 |
| 2023* | $80,929 | $41,763 |
| 2024* | $84,231 | $42,991 |
| 2025* | $87,668 | $44,255 |
