Table 5.

Costs of time of daily data collection and reporting for ISSC in 2012

	Reporting time in minutes per 1000 population (A)	Total time in minutes for all duties per 1000 population (B)	Percent of time in reporting per 1000 population (C)	Net income of a village clinic in 2012 in RMB (D)	Net income serving for 1000 population in RMB (E)	Costs of time in reporting for 1000 population in RMB (F)	Adjusted costs of time in reporting for 1,000 population in RMB (G)
P25	7	480	2.1	36,000	23,000	567	656
Median	12	600	4.2	52,500	27,579	1029	1250
P75	27	720	6.3	90,000	45,455	2000	3000

The exchange of Chinese currency was 6.31RMB for 1 US$ in 2012 according to the World Bank. We calculated percent of time in reporting, cost of time in reporting and the adjusted costs of time in reporting using the following formulas: C = A/B, F = E*C, G = F*150 %