Table 2.

Number of livebirth and rates to Robson’s groups (n = 5,323,500).

	2013		2014		2015		2016		4 Years Total
	(%)	Number	(%)	Number	(%)	Number	(%)	Number	%	Number
Robson 1	22.7	294,189	23	318,415	23.1	307,999	23.1	302,557	22.98%	1,223,160
Robson 2	10.8	139,967	10.6	146,748	10.3	137,333	9.7	127,048	10.35%	551,095
Robson 3	25.9	335,661	24.7	341,950	24.4	325,332	26.1	341,850	25.26%	1,344,793
Robson 4	7.6	98,495	7.8	107,984	7.2	96,000	7.1	92,994	7.43%	395,473
Robson 5	22.2	287,709	23.2	321,184	24.1	321,332	24.3	318,274	23.45%	1,248,500
Robson 6	2.6	3,696	2.6	35,995	2.6	34,667	2.3	30,125	2.53%	134,482
Robson 7	1.8	23,328	1.9	26,304	1.9	25,333	1.7	22,266	1.83%	97,231
Robson 8	1.4	18,144	1.4	19,382	1.3	17,333	1.3	17,027	1.35%	71,886
Robson 9	1.7	22,032	1.7	23,535	1.6	21,333	1.3	17,027	1.58%	83,927
Robson 10	3.3	42,768	3.1	42,917	3.5	46,667	3.1	40,603	3.25%	172,954
Total	100		100		100		100		100
Total R1-R4 groups	67.0	868,311	66.1	915,097	65.0	866,664	66.0	864,449	66.02%	3,514,521
Total C-section	51.4%	665,547	52.6%	727,609	53.6%	714,636	50.1%	656,582	48.1%	2,764,373
Total Vaginal Deliveries	48.6%	630,441	47.4%	656,804	46.4%	618,693	49.9%	653,189	48.1%	2,559,127
Total Live-Birth number	1,295,987		1,384,413		1,333,329		1,309,771		5,323,500