Table 2 frequencies of the class of scores on August 5th 2018 (N = 26.888), and time-median over the time

From: Evaluating Rank-Coherence of Crowd Rating in Customer Satisfaction

  X = 1 X = 2 X = 3 X = 4 X = 5
n(x) 1395 1654 3509 8190 12 140
f(x) 0.0519 0.0615 0.130 0.305 0.451
Time-median of f(x) 0.0362 0.0620 0.133 0.320 0.441