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.
According to the BLS, the state that paid medical and clinical laboratory technologists the highest salary was California, which had a mean wage of $79,710 as of May 2013. Other top-paying regions were Massachusetts, Vermont, Connecticut and New Jersey, with average wages ranging from $65,630-$70,110.alary by Industry. According to the BLS, most medical and clinical laboratory technologists worked for general hospitals in May 2013 and earned average wages of $60,230 per year. Those working in the architectural and related services industry made the highest average wage of $79,600.