Rank	Countries/Territories	Count	Percent
1	United States	621	42.2%
2	China	371	25.2%
3	Germany	194	13.2%
4	France	47	3.2%
5	Latvia	30	2%
6	India	26	1.8%
7	Korea, Republic of	18	1.2%
8	Japan	15	1%
9	Turkey	14	1%
10	Netherlands	12	0.8%
11	Iran, Islamic Republic of	11	0.7%
12	Canada	11	0.7%
13	Colombia	10	0.7%
14	Hong Kong	8	0.5%
15	United Kingdom	8	0.5%
16	Singapore	8	0.5%
17	Norway	7	0.5%
18	Cyprus	7	0.5%
19	Poland	6	0.4%
20	Ireland	5	0.3%
21	Italy	4	0.3%
22	Russia	4	0.3%
23	Argentina	4	0.3%
24	Greece	4	0.3%
25	Georgia	4	0.3%
26	Sweden	3	0.2%
27	Mexico	2	0.1%
28	Mongolia	2	0.1%
29	Ukraine	2	0.1%
30	Ghana	2	0.1%
31	Australia	2	0.1%
32	Bangladesh	2	0.1%
33	Brazil	2	0.1%
34	Bulgaria	1	0.1%
35	Chile	1	0.1%
36	Indonesia	1	0.1%
37	Taiwan	1	0.1%
38	Romania	1	0.1%