pivot table

[#1]

Hello.

have a table  for Sales

Customer	Sale_ID	Date Sum and so on
A	1	...
B	2	...
C	3	...
A	4	...
A	5	...

I want to make a pivot table like this

Number of purchases per peiod	Number of customers that  have this Number of purchases per peiod
1	2
3	1

Is it possible to make this table using nly dashboard?

[#2]

Thank you, its the same whith what  Kaushik.solanki  has suggested