| Variables | Year of survey | | 2003 | 2004 | 2005 | 2006 | 2007 | Average | (N = 895,427) | (N = 1,030,250) | (N = 1,052,091) | (N = 1,107,594) | (N = 1,167,019) | % | | % | | % | | % | | % | | % |
| Perceived need for dental care | | | | | | | | | | | | No need | 98.00 | 877,546 | 97.39 | 1,003,359 | 97.80 | 1,028,969 | 97.67 | 1,081,833 | 97.72 | 1,140,419 | 97.72 | Need | 2.00 | 17,881 | 2.61 | 26,891 | 2.20 | 23,122 | 2.33 | 25,761 | 2.28 | 26,600 | 2.28 | Utilization of dental care | | | | | | | | | | | | Not used | 99.34 | 889,483 | 99.09 | 1,020,913 | 99.40 | 1,045,742 | 99.35 | 1,100,392 | 99.16 | 1,157,212 | 99.27 | Used | 0.66 | 5,944 | 0.91 | 9,337 | 0.60 | 6,349 | 0.65 | 7,202 | 0.84 | 9,807 | 0.74 |
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