I've tried 0 and 9 and both were wrong Please help

Consider the following time series data. 19.6+, 11.9, 18.9+, 10.3, 19.4+, 3.5, 10.1, 19.2 Fill in the missing values in the table involving ordered failure times: time (t) failures censored Risk set 0 0 0 X 3.5 0 8 10.1 0 10.3 0 6 11.9 0 V 5 18.9 O 4 19.2 0 19.4 0 1 2 19.6 0