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 Bureau of Labor Statistics (BLS) shows how ultrasmart such a choice could be: 1  The mean annual wage for sonographers nationwide as of May, 2014 was $68,390. 2  Sonographers working in outpatient care centers earned mean annual wages of $72,930. 3  California sonographers earned mean annual wages as of May, 2014 of $89,870.