Although the process of deciphering the quipu system is still just beginning, scholars surmise (at least) that information is stored in cord color, cord length, knot type, knot location, and cord twist direction.
National Salary Statistics. According to a 2011 salary survey conducted by Medscape, general surgeons practicing in the United States earned an average of $265,000. About 19 percent of general surgeons reported annual incomes of less than $100,000, and 15 percent of general surgeons earned between $100,000 and $200,000.
In the world of General Surgeons, overall income ranges from $107K near the bottom to $368K at the top; this can include more than $43K from bonuses and more than $51K from profit sharing in exceptional cases. Residence and tenure each impact pay for this group, with the former having the largest influence.