You can achieve this by generating a matrix report in the Deals module.
Follow these steps to create a matrix report:
- Go to the Reports module.
- Click on Create Report.
- Select the Deals module as the primary module.
- Under Report Type, select Matrix Report.
- Select Deal Owner as the row heading, and Closing Date as the column heading.
- Group Dates by Month and Year.
- Choose Amount under Columns to Total.
- Run the report.
Read in greater detail about generating and customizing reports
here.