I have to say @nocutename that does sound like a fantastic excel spreadsheet. I know I've said I take handwritten wants list to fairs, and that's true, but I used to love mucking about with spreadsheets. Some of them, if I do say so myself, were majestic! I tried inserting scans once and gave up when I realised it would end up around a gazillion gigawatts or something. Well, it would crash my computer anyway.
I'd love to see a picture of yours - do a screen dump for us if you can.
When I look back on some of my old records, there's a real tinge of nostalgic regret. You put your heart and soul into it, and then one day it all stops and you stop keeping it up to date. Funny that.
Anyway, thanks for sharing your approach - do let us see a picture - and don't fret. I used to play in the 'big league', but now I'm just as happy bottom feeding the crappy old beat up pence copies