Your chart conveniently cuts off at 2019.........and look at what happened starting in 2018...........now go read what I wrote again. You're such a jackass hal.
Here is a chart to consider and 2021 will easily surpass 2020 as the number is currently running 16% higher than it was on this same date a year ago. At this pace they might reach 570 for 2021.
0.03% OF PHILADELPHIA'S POPULATION
BE VERY AFRAID