Give you a statement and table with its title, please determine whether the statement is supported or refuted by, or is unrelated to the table. It'a ternary classification problem, you should choose the answer among supported, refuted and neutral. Table cells in one row are seperated by '|', and different rows are seperated by '
'. If cell value is a list, we use '	' to seperate each list element.

Table:
| Number of times held | 7 |
| First held | 1982 |
| Last held | 1988 |
| Circuit length | 4.023 km (2.50 mi) |
| Race length | 253.449 km (157.5 mi) |
| Laps | 63 |
Title:
Detroit Grand Prix
Statement:
Detroit Grand Prix has been a yearly event since 80s.
Answer:
refuted