periodically set as production goal of about 28,000 units built between 2015 and 2022 this is commonly called brina. 57% should be affordable to low and moderate income household. the planning departments submitted annual report on the city's progress in leading this goal to the state department of housing and community development. the department prepares a quarterly report to the planning commissioner. prop k passed by san francisco voters in 2017 set a goal of that 57% of new communities be affordable. the late mayor set a goal of -- affordable unit. i would like to add this has been more or less consistent in the last two decades or more. [ please stand by] >>> the net affordable housing stock totalled about 10,282 units. this net affordable housing stock over 4738 is about 25%. this is the city's cumulative housing balance over a ten year period. it is two percentage points higher than the previous year's housing balance reports. the ordnance also requires that the housing balances be calculated by districts and by planning department districts. the housing balances range from -279% in distric