Ten  Provinces Proportion With Most Pupulation 6  Years  And  Over  By  Mobile Using :2009 - 2011     2009 Rank Provinces Proportion 1 Nonthaburi 77.53 2 Bangkok 75.48 3 Phuket 72.14 4 Samut Prakan 71.91 5 Chon Buri 71.70 6 Pathum Thani 71.39 7 Nakhon Pathom 65.51 8 Samut Sakhon 64.58 9 Rayong 62.65 10 Chiang Mai 62.36   Whole Kingdom 56.81     2010 Rank Provinces Proportion 1 Nonthaburi 78.96 2 Bangkok 77.31 3 Chon Buri 75.78 4 Phuket 75.72 5 Pathum Thani 75.57 6 Samut Prakan 73.95 7 Nakhon Pathom 68.68 8 Chachoengsao 68.36 9 Chiang Mai 67.11 10 Sara Buri 66.74   Whole Kingdom 61.79     2011 Rank Provinces Proportion 1 Nonthaburi 79.82 2 Bangkok 79.59 3 Phuket 78.96 4 Chon Buri 77.54 5 Pathum Thani 77.48 6 Samut Prakan 75.55 7 Chachoengsao 74.48 8 Rayong 72.92 9 Sara Buri 71.71 10 Chantha Buri 70.82   Whole Kingdom 66.38 Source : The  Information and Communication Technology Survey on Household. Compiled by : Statistical Forecasting Bureau, National Statistical Office.