| Code | Definition | Number of Accessions |
| 2 | 1= [spheric], 2= [22.22% of tapered (conical)], 3= [semi-spheric], 4= [44.44% of tapered (conical)], 5= [intermediate], 6= [66.67% of tapered (conical)], 7= [cylindrical], 8= [88.89% of tapered (conical)], 9= [tapered (conical)] | 9 |
| 3 | 1= [spheric], 2= [22.22% of tapered (conical)], 3= [semi-spheric], 4= [44.44% of tapered (conical)], 5= [intermediate], 6= [66.67% of tapered (conical)], 7= [cylindrical], 8= [88.89% of tapered (conical)], 9= [tapered (conical)] | 15 |
| 4 | 1= [spheric], 2= [22.22% of tapered (conical)], 3= [semi-spheric], 4= [44.44% of tapered (conical)], 5= [intermediate], 6= [66.67% of tapered (conical)], 7= [cylindrical], 8= [88.89% of tapered (conical)], 9= [tapered (conical)] | 14 |
| 5 | 1= [spheric], 2= [22.22% of tapered (conical)], 3= [semi-spheric], 4= [44.44% of tapered (conical)], 5= [intermediate], 6= [66.67% of tapered (conical)], 7= [cylindrical], 8= [88.89% of tapered (conical)], 9= [tapered (conical)] | 19 |
| 6 | 1= [spheric], 2= [22.22% of tapered (conical)], 3= [semi-spheric], 4= [44.44% of tapered (conical)], 5= [intermediate], 6= [66.67% of tapered (conical)], 7= [cylindrical], 8= [88.89% of tapered (conical)], 9= [tapered (conical)] | 20 |
| 7 | 1= [spheric], 2= [22.22% of tapered (conical)], 3= [semi-spheric], 4= [44.44% of tapered (conical)], 5= [intermediate], 6= [66.67% of tapered (conical)], 7= [cylindrical], 8= [88.89% of tapered (conical)], 9= [tapered (conical)] | 26 |
| 8 | 1= [spheric], 2= [22.22% of tapered (conical)], 3= [semi-spheric], 4= [44.44% of tapered (conical)], 5= [intermediate], 6= [66.67% of tapered (conical)], 7= [cylindrical], 8= [88.89% of tapered (conical)], 9= [tapered (conical)] | 15 |
| 9 | 1= [spheric], 2= [22.22% of tapered (conical)], 3= [semi-spheric], 4= [44.44% of tapered (conical)], 5= [intermediate], 6= [66.67% of tapered (conical)], 7= [cylindrical], 8= [88.89% of tapered (conical)], 9= [tapered (conical)] | 3 |