This line graph shows the daily municipal water use per person from 1983 to 1999. The vertical axis represents the municipal water use in litres per person, with values ranging from 400 to 750. The horizontal axis shows the data from 1983 to 1999. The pattern of the graph (along with text values for the main years) is as follows. In 1983, usage was 662 litres per person. This increased to 695 in 1989, then decreased to 628 by 1996. Usage subsequently increased slightly to 638 litres per person in 1999.