Given is a line graph showing the number of accidents in a city during the first 6 months of 1999.

• A. <table><tr><td rowspan="2">15</td> <td style="border-bottom:1px solid #000000;vertical-align:bottom;padding-bottom:2px;"><center> 3</center></td><td rowspan="2">%</td></tr><td align="center">8</td></table>
• B. <table><tr><td rowspan="2">15</td> <td style="border-bottom:1px solid #000000;vertical-align:bottom;padding-bottom:2px;"><center> 1</center></td><td rowspan="2">%</td></tr><td align="center">8</td></table>
• C. <table><tr><td rowspan="2">15</td> <td style="border-bottom:1px solid #000000;vertical-align:bottom;padding-bottom:2px;"><center>5</center></td><td rowspan="2">%</td></tr><td align="center">8</td></table>
• D. <table><tr><td rowspan="2">15</td> <td style="border-bottom:1px solid #000000;vertical-align:bottom;padding-bottom:2px;"><center> 7</center></td><td rowspan="2">%</td></tr><td align="center">8</td></table>