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

1	tree	28555632		3
2	water	19624	19119767	875041
3	wood	33196	10314956	883670
4	scrub	1893	4605330	332688
5	wetland	12682	3393280	741090
6	grassland	155	1816206	194719
7	tree_row	269	1755367	95
8	coastline		1242835	29
9	bare_rock	1065	1025497	83020
10	peak	1023282	111	22
11	cliff	19418	825811	283
12	sand	673	570974	28618
13	heath	470	533183	51913
14	scree	256	313893	24367
15	rock	211337	27595	736
16	shrub	230615	887	59
17	beach	12255	178378	27154
18	ridge	5359	201522	152
19	spring	196820	2508	69
20	glacier	886	96818	10550
21	reef	32229	52709	9371
22	bay	60366	5453	20013
23	shingle	10	65163	7801
24	stone	58831	9729	277
25	land	65054	2284	9
26	saddle	67266	61	4
27	cave_entrance	66223	604	5
28	shrubbery	18	64926	311
29	hill	59477	548	23
30	valley	14849	42005	208
31	cape	51858	180	762
32	sinkhole	42545	4363	52
33	landform	91	38369	1249
34	crevasse	5	36602	13
35	mud	379	24709	2256
36	fell	551	23414	3256
37	earth_bank	27	17239	14
38	gully	35	11009	5
39	volcano	9090	71	7
40	grass	45	8566	187
41	tree_stump	8445	32
42	strait	2265	2919	2552
43	arete	9	7254	1
44	mountain_range	4111	2327	603
45	hot_spring	4969	1995	19
46	shoal	1357	4333	1116
47	birds_nest	6267	26
48	tree_group	149	5036	82
49	yes	1305	2745	27
50	islet	3726	201	33