Q2 '13
Q4 '13
Q2 '14
Q4 '14
Q2 '15
Q4 '15
Q2 '16
Q4 '16
Q2 '17
Q4 '17
Q2 '18
1%
1.5%
2%
2.5%
3%
3.5%
4%
Verizon
AT&T
T-Mobile
Sprint
1%