The provided diagram enumarets the proportion of grievances received by a PC manufacturer – Green Lavo in terms of various reasons in three respective years: 1996, 2006 and 2016.
Generally, there was an overall decrease in the number of complaints that Green lavo received over the given period, the exception being in 2006. Additionally, the most received complaint was regarding products in all three years. There is a very similar trend regarding staff and the others category.
To begin with, in 1996, complaint regarding products was by far the prominent concern of the manufacturer, contributing 85 complaints , while other types stood at between 20 to 40 complaints. After 10 years, 65 complaints were regarding delivery, the rate was higher than other complaints, while it was other complaints which was the least apprehension of the PC manufacturer.
Besides that, by the end of the period, the manufacturer received comparatively less reports about staff and delivery, receiving 25 and 28 complaints, while product issues had increased to 75, becoming the highest agitation of Green Lavo.
