| Shipments in last 12 months |
| Shipments between 1-2 years old |
| Shipments between 2-3 years old |
| Shipments between 3-4 years old |
| Shipments between 4-5 years old |
| Shipments between 5-6 years old |
| Shipments between 6-7 years old |
| Shipments between 7-8 years old |
| Shipments between 8-9 years old |
| Shipments between 9-10 years old |