Descriptive statistics (number of observations: 62,408).

* While the original values of Variety range between 1 and 34, this variable has been transformed to range within the 0–1 interval, in order to build it similar to balance and disparity. We have transformed the variable Variety as follows: Varietyi = (Yi−Ymin) / (Ymax−Ymin), where Ymin and Ymax are the extreme values of the original variable Y. Descriptive statistics (number of observations: 62,408).