242 In 2012, 27 health zones have their referral hospitals among which 12 fully perform their function among the operational 34, created further to the health basis shuffle in Benin. 243 This strategy enables to make sustainable and effective the quality of services provided, while favouring decentralisation, community-based involvement, and partnership of the public and the private sectors. 244 The following table shows the evolution of the indicators for health care infrastructure and staff coverage, which illustrates to what extent the programs and projects implemented by the government have contributed to improving populations’ access to health care services from 2002 to 2012.  Table N° 12: indicators for health care facilities and medical staff coverage Indicators 2002 2003 2004 2005 2006 2007 2008 2009 2010 2011 2012 Number of inhabitants per doctor 7210 7153 7135 7377 7006 7472 7511 7979 7979 8,411 5,849 Number of inhabitants per nurse 2528 3259 2648 2446 1920 2045 2245 2469 2469 2,447 1,823 Number 1555 1591 1705 1451 1725 1510 1345 1563 1563 1,712 1,524 o of women in childbearing age per midwife Source : DPP/MSP 245 Naturally, the improvement of health coverage in medical staff must rely on the provision of medical assistance and health care necessary for all children while focusing on the development of primary health care. 246 The following table shows the evolution but also the expectations for the improvement of medical activities. 247 According to the statistical yearbook, there are 571 complete health centres, 118 free clinics, and 113 maternity hospitals. There are 27 zone hospitals that are operational but 6 remain to be built. 248 Concerning human resources: total number of doctors, 1,507 that is to say 1.6 for 10,000 inhabitants; total number of nurses, 4,821, that is to say 2.5 for 5,000 inhabitants; total number of midwives, 1,415 that is to say 3 for 10,000 inhabitants; 802 laboratory technicians and 206 radiologists.