Year | 10 years | 15 years | 20 years | |||
---|---|---|---|---|---|---|
No dental fear | Dental fear | No dental fear | Dental fear | No dental fear | Dental fear | |
1973 | 4.1 | 0 | 0 | 0 | 0 | 0 |
1983 | 4.3 | 0 | 3.0 | 3.4 | 1.7 | 0 |
1993 | 6.4 | 4.2 | 2.9 | 0 | 4.4 | 0 |
2003 | 59.4 | 44.4 | 21.0 | 16.7 | 17.6 | 4.5 |
2013 | 62.0 | 50.0 | 46.6 | 54.5 | 20.0 | 20.0 |