Initially, the population size of deme T stood at 129, but this changed 5576.889 generations ago when it grew to 8723, and it has been stable at that size up to today.
time_units: generations
demes:
  - name: T
    start_time: .inf
    epochs:
      - start_size: 129
        end_time: 5576.889
      - start_size: 8723
        end_time: 0