Table:
text: T-Mobile US
Radio frequency spectrum chart
T-Mobile Network
Frequency_Band Band_number Radio_Interface Generation Status_ Notes_
850 MHz 5 GSM/GPRS/EDGE 2G Roaming Not operated by T-Mobile, except for CMA629 in SC after the acquisition of SunCom. Competitor 850 MHz networks are accessible via roaming agreements.
850 MHz CLR 5 UMTS/HSPA+ 3G Roaming Not operated by T-Mobile. After the failed acquisition of T-Mobile USA by AT&T, part of the failed acquisition was a 7-year AT&T 3G roaming agreement.

Question: Overall, how many times is the status listed as roaming on T-Mobile US?