Phase 10.17: 1 million subscribers
Phase 10.23: 3 million subscribers
Phase 10.5: 6 million subscribers
Phase 10.75: 10 million subscribers
Phase 11: 15 million subscribers
Phase 11.5: 28 million subscribers
Phase 12: 44 million subscribers
Phase 13: 69 million subscribers
Phase 14: 100 million subscribers
Phase 15: 237 million subscribers
Phase 16: 420 million subscribers