Fig. 3From: Ensuring sustainability of polio immunization in health system transition: lessons from the polio eradication initiative in IndonesiaPolio Immunization coverage from 1995 to 2016. 1995, 1996, 1997, 1998: 27 provinces (East Timor still included). 1999: 27 provinces (East Timor was independent, North Maluku was established). 2000: 30 provinces (Banten, Bangka Belitung, and Gorontalo were established). 2001: 31 provinces (West Papua was established). 2002: 32 provinces (Riau Islands was established). 2004: 33 provinces (West Sulawesi was established). 2012: 34 provinces (North Kalimantan was established). Sources: Sub Directorate of Immunization, MoH of Indonesia (unpublished)Back to article page