Layer Estimates:

Layer: Country_Data_Flow (ID:0)
Count: 253
Extent:

XMin: -20037507.0671618
YMin: -7554334.97231178
XMax: 20037507.0671618
YMax: 18422214.7415336
Spatial Reference: 102100 (3857)

Layer: country_data_flows_179_countries_as_at_March_2015 (ID:1)
Count: 277