Complete the Kaplan-Meier analysis in the Excel file.

Years	# at risk at the start of the interval	# of virological failures	# censored	Hazard function = qt	1-qt	S(t)
1	200	3	17
2	180	4	20
3	156	2	15
4	139	0	18
5	121	0	12
6	109	1	9
7	99	1	20
8	78	0	14
9	64	0	16
10	48	2	6
11	40	0	7
12	33	1	7
13	25	0	1
14	24	1	1
15	22	0	4
16	18	1	3
17	14	0	4
18	10	1	8
19	1	0	1

https://journals.plos.org/plosone/article?id=10.1371/journal.pone.0180761

Write sentences describing the results of this analysis