As per the link below, the calculation of hours of work per year is 1560. What if I have worked for 1560 X 2 = 3120 hours in one year. Will it be considered as 2 years of experience?
http://www.cic.gc.ca/english/immigrate/skilled/apply-who.asp
http://www.cic.gc.ca/english/immigrate/skilled/apply-who.asp