The number of machine breakdowns per day at Yuwen Chen's factory is either 0, 1, or 2, with probabilities 0.3, 0.3, or 0.4, respectively. The following random numbers have been generated: 72, 11, 43, 19, 77, 22, 13, 7, 9, and 61. (Note: Assume the random number interval begins at 01 and ends at 00.) Based on the given probabilty distribution, the number of breakdowns for the given random number are: random number 72 , number of breakdowns ???​