Cluster 1 customers accounted for 24% of respondents but generated 53% of total revenue, indicating they are the most valuable customer segment. While Cluster 3 customers made up 19% of respondents and contributed only 8.78% of revenue. The survey found 72% of Cluster 1 customers use data plans, pay their own bills, and are willing to pay a higher monthly fee compared to other clusters. The document concludes wireless operators should target Cluster 1 to generate maximum revenue.