This chart below shows the percentage of the city s population that does not have any sort of health insurance there is information from 1981 to 2005 for two cities

The line chart describes the proportion of people living in two cities Boston and Seatle who does not register any kind of health insurance between 1981 and 2005.
There was the same people without health insurance in two cities in 1981. Over the period, both that people in two cities decreased.
Boston’s population did not use health insurance was about 25 percent in 1981. There was a slight fall to 20 percent in 1989, then it increased slowly to 35 percent in 1993 and was likely to leveled off until 1998. Then the number drop significantly to approximately zero in 2005.
While in Seatle city, people without using health insurance went down more slowly than in Boston. Also starting at 25 percent, there was a wild rise to 40 percent in 1989. Then it declined gradually to under 20 percent in 2005.