Miguel,
you can count number of symbols in Drawing mode using the following procedure.
- click Binocular icon at the bottom of the windows to open Search dialog box.
- in Look for field set Symbol option
- in Look by field set Symbol option
- activate Attributes tab
- select Name option
- select Equal to comparison type
- set symbol name in Value field
- click Find Now button
- results panel contains requested information
Martin Hanak