Assuming the status column is column 1 and your data starts in column 1, row 2, select cells A2 down to the end of your data/table. Select Conditional Formatting, choose use formula and type in the box:
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=AND($A2<>"", $A2=0)
for the first condition and format as Green. Repeat for the other conditions with
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=AND($A2<>"", $A2="!")
and
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=AND($A2<>"", $A2="X")


Depending on your regional settings, you may have to replace the comma (,) with a semi-colon (


Regards, TMS