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The image displays a line graph with x-axis labeled from 1980 to 1996 and y-axis from 0 to 1400, depicting complaints. Data points: Road Works (1980: 200, 1982: 250, 1984: 300, 1986: 600, 1988: 800, 1990: 950, 1992: 1150, 1994: 1250, 1996: 1300), Factories (1980: 600, 1982: 620, 1984: 500, 1986: 400, 1988: 300, 1990: 280, 1992: 200, 1994: 160, 1996: 140), Traffic Noise (1980: 300, 1982: 400, 1984: 500, 1986: 550, 1988: 750, 1990: 800, 1992: 850, 1994: 900, 1996: 950), Domestic/household (1980: 740, 1982: 600, 1984: 460, 1986: 320, 1988: 280, 1990: 200, 1992: 150, 1994: 100, 1996: 50). Each category is represented by a distinct line type: Road Works (solid line with diamonds), Factories (solid line with squares), Traffic Noise (solid line with triangles), Domestic/household (solid line with crosses).
Given the complexity of the image, the above description may not be entirely accurate.
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The line graph illustrates the number of complaints received by the Environmental Health Department in Newtown, categorized by different types of noise. Overall, complaints about most noise sources increased over the period, except for domestic noise, which actually saw a decline.
The graph tracks four main types of noise that residents frequently reported: road works, traffic noise, factory noise, and domestic or household disturbances. In 1980, the department received over 600 complaints about domestic disturbances, but this number steadily decreased over the years. In contrast, complaints about factory noise showed a consistent rise from 1980 until they leveled off between 600 and 800 complaints per year from 1986 onwards.
The most significant increases were in complaints related to road works and traffic noise, both of which either doubled or tripled from 1980 onwards. By 1986, the total number of noise complaints in Newtown had surged, reaching a peak of around 2,600.
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