That stopped when the priests realized that most of the people couldn't actually use a quipu in that manner: the converts had to return to the quipu specialists to obtain a quipu and a list of sins that corresponded to the knots. After that, the Spanish worked to suppress the use of the quipu.
Average sonographer salary. An average hourly rate (wage) and the annual salary for sonographers in the United States is around $31.90 per hour and $66,360 per year.
The 25th percentile of sonographers earned up to $25.88 per hour, or $53,830 per year, and the 75th percentile earned over $36.57 per hour, or $76,060 per year. The American Society of Radiologic Technologists performs a periodic salary survey of registered technologists, both members and non-members.In its 2010 survey, the average yearly income of sonographers was $68,821 or $33.09 per hour.The ASRT provides a further breakdown by position, with staff sonographers earning $31.85 per hour, and supervisors averaging $38.29 per hour. Experience is also a factor.Sonographers with two years' experience or less averaged $26.89 per hour, while those with six to 10 years' experience earned $29.73 per hour.he Bureau of Labor Statistics provides state-by-state wage figures for sonographers across the country. California boasts the country's highest average wages at $39.30 per hour, or $81,750 per year.