Aha! BARTY has data only for 2015 to 2018. It should be clearer about why you didn’t get the data, or make it impossible for you to choose 2019. Sorry about that.
(You would think that we could get data for any time in the past, but in fact we don’t have such a system set up. So we download whole years and munge it before adding it to the special database we set up for BART data.)