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

1	stream	5606	25793654	66767
2	ditch	35	4124206	3837
3	river	2060	1880827	38821
4	drain	364	1738634	3631
5	canal	323	1035589	3161
6	dam	43865	202890	3311
7	weir	57589	78977	73
8	rapids	33821	55753	94
9	waterfall	74444	2742	19
10	lock_gate	16424	6982	33
11	flowline		18337	3
12	drystream	3	16755	6
13	tidal_channel	6	16135	24
14	artificial		14290	6
15	pressurised	2	9981	21
16	milestone	7863	4
17	dock	2252	4364	107
18	stream_end	6063	6	1
19	link		5712	1
20	boatyard	1692	3427	99
21	fairway	4	4813	35
22	soakhole	4517
23	sluice_gate	3272	435	3
24	wadi	3	3419	7
25	fish_pass	48	2806	8
26	access_point	2676
27	fuel	2093	357	1
28	derelict_canal		2400	29
29	yes	659	1627	142
30	brook	2	1709	12
31	riverbank		222	1096
32	check_dam	175	792	3
33	floating_barrier	9	768
34	turning_point	741	17
35	drainage_channel		757	1
36	water_point	703	27
37	floodgate	600	93
38	sanitary_dump_station	662	12
39	flow_control	494	161	2
40	connector		427
41	spillway	10	303	6
42	sign	319
43	sewer	4	292	3
44	depth	298
45	security_lock	81	197	4
46	oxbow		237	1
47	construction	1	235	1
48	pumping_station	168	29
49	drawbridge	177
50	riverbed		45	117