| | 2010 | 2011 | 2012 |
| Number of patients | | | | WM | 44,818,780 (77.9%) | 45,200,513 (78.0%) | 45,764,919 (78.1%) | KM | 12,689,192 (22.1%) | 12,724,688 (22.0%) | 12,795,918 (21.9%) | Total treatment cost ($) | | | | WM | 31,211,729,553 (94.8%) | 33,173,091,418 (94.7%) | 34,616,590,233 (94.6%) | KM | 1,701,831,541 (5.2%) | 1,838,759,399 (5.3%) | 1,962,494,521 (5.4%) | Number of total claims | | | | WM | 604,017,783 (79.0%) | 615,979,142 (79.3%) | 682,586,833 (80.3%) | KM | 91,356,214 (12.0%) | 92,010,198 (11.8%) | 96,378,959 (11.3%) | Number of outpatient claims | | | | WM | 593,702,030 (78.8%) | 605,084,745 (79.0%) | 670,812,474 (80.0%) | KM | 91,227,649 (12.1%) | 91,850,417 (12.0%) | 96,181,670 (11.5%) |
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