Table:
text: 2002–03 Detroit Red Wings season
December
December
Date_ Visitor Score Home Decision Attendance Record
December 1 Calgary 2 – 4 Detroit Joseph 20066 13–7–3–1
December 3 Anaheim 1 – 2 Detroit Joseph 18504 14–7–3–1
December 5 Detroit 5 – 3 Phoenix Joseph 15189 15–7–3–1
December 6 Detroit 3 – 3 Dallas Joseph 18532 15–7–4–1
December 8 St. Louis 3 – 4 Detroit Joseph 20058 16–7–4–1
December 12 Minnesota 3 – 2 Detroit Joseph 20058 16–8–4–1
December 14 Columbus 4 – 6 Detroit Joseph 20058 17–8–4–1
December 17 Detroit 2 – 2 NY Islanders Legace 14884 17–8–5–1
December 19 Dallas 1 – 1 Detroit Legace 20058 17–8–6–1

Question: What is the average attendance of Minnesota visitors for the 2002–03 Detroit Red Wings season in December?