Data-only mobile broadband basket

Entry-level data-only mobile-broadband basket. Combined time series data: from 2013 to 2017, the basket is composed of the cheapest post-paid, computer-based plan for a USB/dongle providing at least 1 GB of monthly data using at least 3G technology; from 2018 to 2020, the basket refers to the cheapest mobile broadband plan providing at least 1.5 GB of monthly data using at least 3G technology; from 2021, the basket refers of the cheapest mobile broadband plan providing at least 2 GB of monthly data using at least 3G technology