but an important factor in looking at the economy is that the city's benfitting from 5 years of expansion and historically we haven't had more than 6 years of growth in a row. so it is definitely a large footnote in the city's plan that we may be reaching the end of that economic growth that we should have our eyes out for what would happen, especially in the event of an economic downturn. that's particularly why we include a low case in the port's financial planning. so the port's financial plan includes 3 scenarios. we have the base case, that looks at likely outcomes so looking at current revenue growth, current leasing assumptions so i spoke a lot with port real estate and we talked about facilities that are currently vacant and being prepared for being leased, as well as development projects that have been through port commission review such as pier 70 and pier 38 that we believed were moving forward and advanced enough that we could consider them in the outlook. the low case takes a darker turn and considers what would happen if we did face an economic downturn and reduced our reven