From: Trends of diabetes mellitus and hypertension at Nigist Eleni Mohammed General Hospital, Hossana, Ethiopia (December 2010-January 2014): a five year longitudinal study
Year
Observations
Sum of ranks
2010
462
106953
2011
389
255573
2012
183
172569
2013
204
231846
2014
248
337900
Total
1486