Data up to December 2021. Of a total of 417, 71% used jets — 41% high viscosity extrusion (HVE), 30% gas dynamic virtual nozzles (GDVN) — 10% used drop-on-tape (DoT), 7% employed fixed targets or chips, 5% SF-ROX136 and 5% MESH224,225. Jet-type techniques are shown in shades of blue. Other includes MESH (~ 5%), free droplets and segmented flow. Conceptually, SF-ROX and MESH can be considered to belong to fixed target and injection sample delivery, respectively. However, both approaches have distinct and unique features: SF-ROX136 uses very large single crystals and MESH uses high electric fields.