Line graph demonstrates trachoma prevalence in communities consistently screened each year (2007-2011) by year and jurisdiction (NT and WA).
* WA has a consistently decreasing trend from 16% in 2007 to 6% in 2011
NT has an inconsistent trend with 14% in 2007, 26% in 2008, 11% in 2009, 12% in 2010 and 5% in 2011.