In Cambodia, the 2008 National Population Census placed the literacy rate of those aged 15 years or older at 77.6%.

UNESCO: Celebration of the International Literacy Day 2012: Literacy - Catalyst for Development and Peace in Cambodia | United Nations Educational, Scientific and Cultural Organization

"The census gives us national population estimates as well as detailed information for small areas - down to areas covering just 100 households, " the spokeswoman added.

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Emphysema estimates are for adults 18 and over who have been diagnosed within their lifetime, based on national rates (NHIS) applied to county population estimates (U.S. Census).

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Chronic bronchitis estimates are for adults 18 and over who had been diagnosed in 2007, based on national rates (NHIS) applied to county population estimates (U.S. Census).

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Diabetes estimates are for adults 18 and over who have been diagnosed within their lifetime, based on national rates (NHIS) applied to county population estimates (U.S. Census).

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Pediatric asthma estimates are for those under 18 years of age and represent the estimated number of people who had asthma in 2007 based on national rates (NHIS) applied to county population estimates (U.S. Census).

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