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

1	administrative	154	1306325	720582
2	protected_area	2339	77729	43318
3	postal_code		25620	28689
4	census	2	13934	11324
5	marker	25161	30	25
6	forest_compartment	1867	9003	9995
7	local_authority		54	16317
8	political	5	7301	6851
9	health	5	6048	6689
10	religious_administration	2	4474	7134
11	historic	60	2199	9089
12	place	12	4968	5486
13	national_park	9	6326	2736
14	landuse		6719	550
15	aboriginal_lands	4	1235	4406
16	lot	240	3964	1141
17	maritime	18	3512	123
18	forest	42	783	2336
19	civil_parish		1	2510
20	historic_parish			1821
21	parcel		1783	12
22	forestry		1563	169
23	legal		531	973
24	turn_point	1324
25	statistical		109	1154
26	neighborhood	1	670	342
27	hazard	9	900	61
28	forestry_compartment	17	483	413
29	yes	8	852	19
30	civil	11	560	295
31	region		491	283
32	registrars_district			769
33	geomorphological-unit		5	701
34	fire_district	501	133	65
35	military	8	578	19
36	cadastral		197	347
37	traditional		268	275
38	low_emission_zone	8	409	112
39	mathematical_point	521
40	disputed		240	179
41	natural		126	265
42	police		46	325
43	point	365
44	religious		121	226
45	historic:administrative		28	312
46	municipality			340
47	barony		2	328
48	neighbourhood		22	292
49	polling_station		30	280
50	water_protection_area	6	256	12