Cumulative count

[Abhi999]

I am trying to below but nothing is working out.

Year month	2023 - Jan	2023 - Feb	2023 - Mar	2023 - Apr	2023 - May
count of Orders	5	6	8	10	11
Orders YTD	5	11	19	29	40

Order number will be like 1234, 6797 like this

[Abhi999]

I am trying to below for last 12 months but nothing is working out. 

Year month	2023 - Jan	2023 - Feb	2023 - Mar	2023 - Apr	2023 - May
count(Orders)	5	6	8	10	11
Orders YTD	5	11	19	29	40

Order number will be like 1234, 6797 like this

[G3S]

what is your requirement? 

are you able to post some  example data?