Salary Analysis - US software developers

using this data, across all industries, using median salary:

US: $75,000.00
Greencard holders: $87,000.00
[possible explanation: imported programmers are more talented than average since mostly very talented programmers are imported]
Greencard holders 10-15 years of experience: $91,000.00

By experience years:
0-2 : $50,000.00
3-5 : $60,000.00
6-10 : $80,000.00
10-15: $85,000.00