STAY_ID	t_start	t_end	STAY_DURATION
A	2021-01-01 00:00:00	2021-01-08 00:00:00	168
C	2021-01-12 00:00:00	2021-01-18 00:00:00	144
E	2021-01-19 00:00:00	2021-01-21 00:00:00	48
F	2021-01-25 00:00:00	2021-01-27 00:00:00	48
G	2017-01-01 00:00:00	NaT	NaN