Please read the following table in Markdown format and then answer the question according to the table. Table cells in one row are seperated by '|', and different rows are seperated by '
'.

Table:
| Week | Date | TV Time | Opponent | Result | Game site | Record | Attendance |
| --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | September 7, 1998 | ABC 7:00 pm MT | New England Patriots | W 27–21 | Mile High Stadium (ABC) | 1–0 | 74,745 |
| 2 | September 13, 1998 | FOX 2:00 pm MT | Dallas Cowboys | W 42–23 | Mile High Stadium (FOX) | 2–0 | 75,013 |
| 3 | September 20, 1998 | CBS 2:00 pm MT | at Oakland Raiders | W 34–17 | Oakland-Alameda County Coliseum (CBS) | 3–0 | 56,578 |
| 4 | September 27, 1998 | CBS 11:00 am MT | at Washington Redskins | W 38–16 | FedEx Field (CBS) | 4–0 | 71,880 |
| 5 | October 4, 1998 | FOX 2:00 pm MT | Philadelphia Eagles | W 41–16 | Mile High Stadium (FOX) | 5–0 | 73,218 |
| 6 | October 11, 1998 | CBS 2:00 pm MT | at Seattle Seahawks | W 21–16 | Kingdome (CBS) | 6–0 | 66,258 |
| 7 | Bye | Bye | Bye | Bye | Bye | Bye | Bye |
| 8 | October 25, 1998 | CBS 2:00 pm MT | Jacksonville Jaguars | W 37–24 | Mile High Stadium (CBS) | 7–0 | 75,217 |
| 9 | November 1, 1998 | CBS 11:00 am MT | at Cincinnati Bengals | W 33–26 | Cinergy Field (CBS) | 8–0 | 59,974 |
| 10 | November 8, 1998 | CBS 2:00 pm MT | San Diego Chargers | W 27–10 | Mile High Stadium (CBS) | 9–0 | 74,925 |
| 11 | November 16, 1998 | ABC 7:00 pm MT | at Kansas City Chiefs | W 30–7 | Arrowhead Stadium (ABC) | 10–0 | 78,100 |
| 12 | November 22, 1998 | CBS 2:00 pm MT | Oakland Raiders | W 40–14 | Mile High Stadium (CBS) | 11–0 | 75,325 |
| 13 | November 29, 1998 | ESPN 6:15 pm MT | at San Diego Chargers | W 31–16 | Qualcomm Stadium (ESPN) | 12–0 | 66,532 |
| 14 | December 6, 1998 | CBS 2:00 pm MT | Kansas City Chiefs | W 35–31 | Mile High Stadium (CBS) | 13–0 | 74,962 |
| 15 | December 13, 1998 | CBS 11:00 am MT | at New York Giants | L 16–20 | Giants Stadium (CBS) | 13–1 | 72,336 |
| 16 | December 21, 1998 | ABC 7:00 pm MT | at Miami Dolphins | L 21–31 | Pro Player Stadium (ABC) | 13–2 | 74,363 |
| 17 | December 27, 1998 | CBS 2:15 pm MT | Seattle Seahawks | W 28–21 | Mile High Stadium (CBS) | 14–2 | 74,057 |
Question:
what was the difference in attendance between the broncos' most-attended game and their least attended game?
Answer:
21522