When did CN begin using www.cn.ca on cars?

Model Railroader Prototype information for the modeler
1

Like the title says, does anyone know when CN began putting www.cn.ca on boxcars?

2

WARNING! Bump time.
After a totally random and unscientific trawl through the RR Pictures Archives CN pages…

http://www.craigwalker.rrpicturearchives.net/rsList.aspx?id=CN

3

Thanks Bear.