The document discusses 7141 regulations for companies with less than 20% market share. It notes that 356 companies fall under the "mini-monopoly" designation where their market share is between 20-50% and KD regulations will apply. It also describes analyzing market concentration data from 1988 to 2011 for 10 industries classified under MA12 and MA120, finding some concentration increases and decreases with various impacts under different assessment methods.