How to show run rate values in Line chart

[#1]

hi

i have 12 months data

now current month is March

so Now i want to show March data for all reaming months

i achieved in Pivot table but iam not getting on line chart

the below expression is in pivot table

=Amount*Ytdflag

+

Amount*_Currentmonthflag*remaingmonths

[sunny_talwar]

Would be easier to help if you can provide a sample.