Rank	Countries/Territories	Count	Percent
1	United States	246	34.4%
2	China	199	27.8%
3	Germany	69	9.6%
4	Canada	30	4.2%
5	Russia	29	4.1%
6	France	16	2.2%
7	Netherlands	15	2.1%
8	Australia	12	1.7%
9	Japan	10	1.4%
10	Norway	8	1.1%
11	India	7	1%
12	Thailand	7	1%
13	Ukraine	5	0.7%
14	Egypt	5	0.7%
15	Italy	5	0.7%
16	Hong Kong	4	0.6%
17	Singapore	4	0.6%
18	Indonesia	4	0.6%
19	Cyprus	4	0.6%
20	Taiwan	4	0.6%
21	Bulgaria	3	0.4%
22	Bolivia, Plurinational State of	3	0.4%
23	Ireland	3	0.4%
24	Finland	3	0.4%
25	Bangladesh	2	0.3%
26	Spain	2	0.3%
27	Nigeria	2	0.3%
28	Mauritius	2	0.3%
29	Mongolia	2	0.3%
30	Korea, Republic of	1	0.1%
31	Sweden	1	0.1%
32	Oman	1	0.1%
33	Portugal	1	0.1%
34	Romania	1	0.1%
35	Brazil	1	0.1%
36	Argentina	1	0.1%
37	Greece	1	0.1%
38	Guatemala	1	0.1%
39	Turkey	1	0.1%
40	Viet Nam	1	0.1%