OSM SQLite Experiment: Frequency of key natural (elem type n)

These queries show the top frequencies of keys for key (element type )

1 tree 24,760,178
2 peak 960,412
3 rock 207,447
4 spring 181,970
5 shrub 181,153
6 land 65,728
7 cave_entrance 62,567
8 saddle 59,955
9 hill 57,418
10 bay 55,975
11 cape 48,873
12 stone 48,805
13 sinkhole 38,564
14 wood 34,478
15 reef 31,953
16 water 18,742
17 cliff 17,943
18 valley 14,478
19 wetland 13,727
20 beach 11,643
21 volcano 8,162
22 tree_stump 6,353
23 birds_nest 5,808
24 ridge 5,455
25 hot_spring 5,197
26 termite_mound 3,904
27 islet 3,697
28 dune 2,607
29 mountain_range 2,584
30 slope 2,180
31 strait 1,967
32 scrub 1,938
33 peninsula 1,593
34 yes 1,412
35 shoal 1,338
36 bare_rock 1,066
37 glacier 927
38 sand 674
39 spot_elevation 622
40 bush 620
41 plant 597
42 fell 555
43 geyser 551
44 arch 505
45 heath 492
46 anthill 424
47 gorge 424
48 shake_hole 413
49 mud 384
50 fumarole 304

:-)