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.
Vascular sonographer salary is above $65,050. For abdominal, breast, and obstetric and gynecological sonography, the numbers earning above $65,000 vary between approximately 40 and 50 percent of the sonographers in each specialty. 10 ULTRASOUND SPECIALISTS. TOP OF PAGE. 4. Industry Setting