Interactive BTSF statistics will find the enrollments per country since 2018 until end april 2020. Please feel free to choose the date and the countries



In statistics, ranking is the data transformation in which numerical or ordinal values are replaced by their rank when the data are sorted.

Line Chart!

Resultados de la búsqueda Fragmento destacado de la Web A line graph (also known as a line plot or line chart) is a graph which uses lines to connect individual data points that display quantitative values over a specified time interva


A bubble chart is a type of chart that displays three dimensions of data. Bubble charts can facilitate the understanding of social, economical, medical, and other scientific relationships.