I am trying to calculate the ages of people on the 31.12.2011 within the following excel sheet
<TABLE style="WIDTH: 142pt; BORDER-COLLAPSE: collapse" border=0 cellSpacing=0 cellPadding=0 width=190><COLGROUP><COL style="WIDTH: 41pt; mso-width-source: userset; mso-width-alt: 2011" span=2...