Although slaves had been sold in the American colonies since at least 1619, slave labor did not come to represent a significant proportion of the labor force in any part of North America until the last quarter of the 17th century. After that time, the numbers of slaves grew exponentially.
A Pharmacologist earns an average salary of $103,686 per year. For the first five to ten years in this position, salary increases sharply, but any additional experience does not have a big effect on pay.
Salary. The BLS reports that the median salary for clinical laboratory technicians was $37,970 in 2013. The best-paid 10 percent in the profession made approximately $58,910, while the bottom 10 percent made approximately $25,210.he Bureau of Labor Statistics projects clinical laboratory technician employment growth of 29.7 percent between 2012 and 2022, adding 47,900 more professionals to the 325,800 jobs currently in this field.