Data
74,200 items of data are available, covering 3,710 participants, encoded using Data-Coding 
92.
Defined-instances run from 0 to 0, labelled using Instancing 
2.
Array indices run from 0 to 19.
| Category | Count | 
|---|
| Equals-sign "=" | 9305 | 
| Fir-tree (3 overlapping triangles) | 9308 | 
| Hollow circle | 9243 | 
| Hollow square | 9287 | 
| Rugby-post "H" | 9255 | 
| Smiley face | 9297 | 
| Solid circle | 1887 | 
| Heart | 0 | 
| Diamond | 0 | 
| Four squares | 0 | 
| Lightning bolt | 0 | 
| Top-hat | 0 | 
| Linked squares | 0 | 
| Diagonal cross | 0 | 
| Crescent | 0 | 
| Sitting cat | 0 | 
| Bow tie | 0 | 
| House | 0 | 
| Horse-shoe "U" | 0 | 
| Star | 0 | 
| Person | 0 | 
| Knife and fork | 0 | 
| Solid square | 5450 | 
| Triangle | 5601 | 
| Vertical/horizontal cross "+" | 5567 |