This example visualize the Air Traffic Passenger Statistics dataset from DataSF(https://datasf.org/opendata/). The full citation is :

Data acquired from https://datasf.org/opendata/ on February 11 2020. Aggregated data on this page is made freely available under Open Data Commons Public Domain Dedication and License(https://opendatacommons.org/licenses/pddl/1.0/)

The direct link to data set is: https://data.sfgov.org/Transportation/Air-Traffic-Passenger-Statistics/rkru-6vcg