josm × 622
tiles × 287
building × 252
relations × 236
update × 199
import × 196
changeset × 127
delete × 102
buildings × 75
points × 67
housenumbers × 63
tracks × 61
aerial_imagery × 28
quality × 23
connection × 20
validation × 18
review × 15
metadata × 11
quality_assurance × 11
check × 9
untagged × 6
angle × 5
roles × 4
unconnected × 2
data-integrity × 1
locking × 1