| 0- 6 : | * [low = 3] |
| 7-12 : | **** |
| 13-18 : | ************* |
| 19-24 : | **************** [mean = 22.1 +/- 6.1] |
| 25-30 : | ****************** [high = 30] |
| 0- 6 : | |
| 7-12 : | **** [low = 9] |
| 13-18 : | ******** |
| 19-24 : | ********************* [mean = 23.3 +/- 5.6] |
| 25-30 : | ******************** [high = 30] |
| 0- 6 : | * [low = 6] |
| 7-12 : | * |
| 13-18 : | ********* |
| 19-24 : | ************* [mean = 23.3 +/- 5.8] |
| 25-30 : | ********************* [high = 30] |
| 0- 6 : | |
| 7-12 : | ***** [low = 12] |
| 13-18 : | ********** |
| 19-24 : | ********************** [mean = 23.3 +/- 5.3] |
| 25-30 : | *************************** [high = 30] |
| 0- 6 : | * [low = 3] |
| 7-12 : | ************** |
| 13-18 : | ********************************** [mean = 15.5 +/- 5.2] |
| 19-24 : | ********** |
| 25-30 : | ** [high = 27] |
| 0- 6 : | |
| 7-12 : | ** [low = 12] |
| 13-18 : | ************* |
| 19-24 : | ******************* [mean = 22.4 +/- 4.8] |
| 25-30 : | ************ [high = 30] |
0- 6 : ** [low = 6]
7-12 : ********
13-18 : ***************
19-24 : ******************** [mean = 19.2 +/- 5.2]
25-30 : ******** [high = 30]
080803-1040633
