Question on "Was this property rented for all of 2018?"

I advertised my rental property as available for rent effective Jan 1, 2018. However, there was a delay in finding the tenants and the tenants moved in only on Mar 15, 2018. Questions:

1. Do I answer "No" for the question if the property was rented for all of 2018?

2. For days rented at a fair rental price, should I put the days between Mar 15 - Dec 31, 2018?

3. For Personal use during the year, should I put zero as I never used the property personally?