Geometric?
<TABLE style="WIDTH: 53pt; BORDER-COLLAPSE: collapse" cellSpacing=0 cellPadding=0 width=71 border=0><COLGROUP><COL style="WIDTH: 53pt; mso-width-source: userset; mso-width-alt: 2596" width=71><TBODY><TR style="HEIGHT: 12.75pt" height=17><TD class=xl63 style="BORDER-RIGHT: #ece9d8; BORDER-TOP: #ece9d8; BORDER-LEFT: #ece9d8; WIDTH: 53pt; BORDER-BOTTOM: #ece9d8; HEIGHT: 12.75pt; BACKGROUND-COLOR: transparent" align=right width=71 height=17>26/09/1902</TD></TR><TR style="HEIGHT: 12.75pt" height=17><TD class=xl63 style="BORDER-RIGHT: #ece9d8; BORDER-TOP: #ece9d8; BORDER-LEFT: #ece9d8; BORDER-BOTTOM: #ece9d8; HEIGHT: 12.75pt; BACKGROUND-COLOR: transparent" align=right height=17>13/12/1910</TD></TR><TR style="HEIGHT: 12.75pt" height=17><TD class=xl63 style="BORDER-RIGHT: #ece9d8; BORDER-TOP: #ece9d8; BORDER-LEFT: #ece9d8; BORDER-BOTTOM: #ece9d8; HEIGHT: 12.75pt; BACKGROUND-COLOR: transparent" align=right height=17>21/08/1924</TD></TR><TR style="HEIGHT: 12.75pt" height=17><TD class=xl63 style="BORDER-RIGHT: #ece9d8; BORDER-TOP: #ece9d8; BORDER-LEFT: #ece9d8; BORDER-BOTTOM: #ece9d8; HEIGHT: 12.75pt; BACKGROUND-COLOR: transparent" align=right height=17>21/10/1943</TD></TR><TR style="HEIGHT: 12.75pt" height=17><TD class=xl63 style="BORDER-RIGHT: #ece9d8; BORDER-TOP: #ece9d8; BORDER-LEFT: #ece9d8; BORDER-BOTTOM: #ece9d8; HEIGHT: 12.75pt; BACKGROUND-COLOR: transparent" align=right height=17>11/06/1968</TD></TR><TR style="HEIGHT: 12.75pt" height=17><TD class=xl63 style="BORDER-RIGHT: #ece9d8; BORDER-TOP: #ece9d8; BORDER-LEFT: #ece9d8; BORDER-BOTTOM: #ece9d8; HEIGHT: 12.75pt; BACKGROUND-COLOR: transparent" align=right height=17>25/02/2034</TD></TR></TBODY></TABLE>
Denis