Maby I'm missing something here, but wouldn't it be better if the header row contained the value designation like USD, bits, Sa/S etc.
and each row just had the value as an integer or something?
So the header for "価格 Price" column was "価格 Price USD" and each row was 329, 349, 499 etc.
That would make it easier to sort and filter on multiple criterias.
And maby also split the "画面 Display" into two columns, "Display size Inches" and "Display resolution"
This would make the chart an even greater resource I think.
Thanks for all the effort you put into this.
Regards Geir