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Proportion of images taken with different target/filter combinations
| Target/filter combination used | Film 1997–98 | Film 2001–02 | Film 2010–12 | DR 2010–12 | CR 2010–12 |
|---|---|---|---|---|---|
| Mo/Mo | 96.0% | 58.5% | 55.4% | 1.5% | 33.6% |
| Mo/Rh | 3.0% | 40.0% | 44.1% | 3.9% | 66.4% |
| Rh/Rh | 0.4% | 1.2% | 0.5% | 25.5% | – |
| W/Rh | 0.0% | 0.2% | 0.0% | 52.1% | – |
| W/Ag | – | – | – | 11.1% | – |
| W/Al | – | – | – | 5.9% | – |
Ag, silver; Al, aluminium; CR, computed radiography; DR, digital radiography; Mo, molybdenum; Rh, rhodium, W, tungsten.
