Reporting delays in CBV data.

<p><b>Panel a: delays in reporting of births. Panel b: delays in reporting of deaths, by district.</b><i>Notes</i>: <i>each circle represents the number of events having occurred during month</i> x <i>and being recorded during month y</i>. <i>The size of each circle is proportional to the number of such events</i>. <i>The red line represents the absence of reporting delays</i>, <i>i</i>.<i>e</i>., <i>x = y</i>. <i>Circles above the red line represent events reported with delays</i>, <i>whereas circles below the red line represent events that were reported before they occurred (i</i>.<i>e</i>., <i>possible data entry errors)</i>.</p>