Number of Expedition	Expedition Success	All Climbers	Group Ratio of all Climbers	All Summits	All Success Ratio	All Death	All Death Ratio	Members	Group ratio of all Members	Member Success	Member Success Ratio	Member Death	Member Death Ratio	Hired	Hired per Member	Hired Success	Hired Success Ratio	Hired Death	Member Death Ratio	Hired and Guides*	Hired and guide per member
Private North	231	136	1676	34%	567	34%	19	1.1%	1108	39%	340	31%	19	1.7%	568	0.5	227	40%	0	0.0%
Commercial North	50	39	821	17%	358	44%	6	0.7%	502	18%	186	37%	5	1.0%	319	0.6	172	54%	1	0.3%	419	0.8
Private South	152	98	1294	27%	500	39%	7	0.5%	696	24%	247	35%	4	0.6%	598	0.9	253	42%	3	0.5%
Commercial South	54	49	925	19%	418	45%	6	0.6%	436	15%	194	44%	5	1.1%	489	1.1	224	46%	1	0.2%	576	1.3
All Private	383	234	2970	61%	1067	36%	26	0.9%	1804	63%	587	33%	23	1.3%	1166	0.6	480	41%	3	0.3%
All Commercial	104	88	1746	36%	776	44%	12	0.7%	938	33%	380	41%	10	1.1%	808	0.9	396	49%	2	0.2%	996	1.1
All South	206	147	2219	46%	918	41%	13	0.6%	1132	40%	441	39%	9	0.8%	1087	1.0	477	44%	4	0.4%
All North	281	175	2497	51%	925	37%	25	1.0%	1610	57%	526	33%	24	1.5%	887	0.6	399	45%	1	0.1%
Other Routes	14	3	150	3%	18	12%	0	0.0%	107	4%	15	14%	0	0.0%	43	0.4	3	7%	0	0.0%
Total	501	325	4866	100%	1861	38%	38	0.8%	2849	100%	982	34%	33	1.2%	2017	0.7	879	44%	5	0.2%

* Guides Per Client Ratio typically varies between 1:3 and 1:5. For this caculation 1:4 has been used