Forgive me,I told you the wrong path,Follow the below path:-
To add values to the 'Member Status' campaign field, follow the instructions below:
1. View the campaign you want to customize, and click "Advanced Setup".
2. Click "Edit" to add or update Member Status values.
3. Update the existing entries or add new values.
4. Select one entry as the "Default" value.
5. Choose which values will be counted as "Responded." Leads or contacts with "Responded" values will be tallied in the Total Responses field on the campaign.