The provided line graph conspicuously analyses the number of objections received by environmental health authority against noises were made by four different categories in Newtown city from 1980 to 1996, with intervals of 2 years.
From an overall perspective, it is readily apparent that in 1980, the highest number of complaints were received against the household noises, however, by 1996 it experienced the lowest number of complaints. In contrary, in 1980, the minimum number of objections were got regarding the traffic noises, but in 1996, it held the third place, which received complaints.
In the initial year 1980, the highest number of complaints were received regarding domestic sounds, which was approximately 620, whereas the lowest count of objections were made about traffic noises, at 300. However, by 1996 the number of plaints gently dropped 100. Objections about traffic noises decreased to 100 in 1986. Between 1986 and 1988 the number of plaints reached a plateau, at 100 However, after 1988 traffic noises related plaints count rose gradually to 600.
In 1980, the second highest number of objections were received against the road work sounds, at 500 and until 1984, the number of complaints about road works remained stable. Additionally, after 1988, it experienced a sharp grow to 800. By 1996 the number of complaints about road work sounds gradually increased and reached a peak at 1200. The factory sounds were the third highest number of complaints in 1980, at 400. However throughout 1982 and 1996, it showed slight fluctuation and reach 650 by 1996.