Pb : Import day datas

[cacti_dan86]

Hello,

I am trying to import datas, which date from 1 year, in a rrd file.

For each day, i have the traffic in and the traffic out, and i don't succed to import it in a rrd file. When i see it in cacti, i don't see any graph, someone can help me?

I put a example of datas that i want to import in a rrd file

ps : i succeed to import just with datas which are separated by 5 minutes