Table 4: XEST X-ray flare statistics for different types of young stars in the 0.3-7.8 keV broad band derived with the MLB technique. For each YSO class, the number of detected sources and the number of flares are given, as is the fraction of flares with respect to the total sample.

Object	Type	Members		Fraction
type	identifier	detected	flare	flare
Protostar	1	9	2	22%
cTTS	2	52	16	31%
wTTS	3	51	11	22%
Brown dwarf	4	8	0	0%
HAeBe	5	2	2	100%
Unknown	9	4	2	50%
Total		126	33	26%