Bar Chart with Custom Field Values and Employees

[Money_Honey]

Hello Looker Brains!

I have a unique request with Custom Field Values pulled from a form. The form is asking how many and an expression is required to convert the values to numbers with the to_number(${ticket_ticket.field_1_value}). We are looking for a bar chart similar to this:

Where each bar is calculating off the expression. Is this possible? Thank you for your brain power!