Williamsg,
I put a copy of your spreadsheet in my photobucket.
You or others can access it here, if you wish to post a copy you can just pop the link into the post url images line.
http://i780.photobucket.com/albums/yy88/Scottport2010/GGPprojections.png
I wont post it directly as its your work and you should chose whether you wish it posted or not.
