Rank	Countries/Territories	Count	Percent
1	United States	371	42.7%
2	China	240	27.6%
3	Germany	76	8.7%
4	Canada	30	3.5%
5	France	22	2.5%
6	Russia	16	1.8%
7	Netherlands	15	1.7%
8	Japan	12	1.4%
9	Singapore	11	1.3%
10	Hong Kong	8	0.9%
11	Italy	7	0.8%
12	Turkey	6	0.7%
13	Cyprus	6	0.7%
14	Australia	5	0.6%
15	Iran, Islamic Republic of	5	0.6%
16	United Arab Emirates	4	0.5%
17	Israel	3	0.3%
18	Malaysia	3	0.3%
19	Korea, Republic of	3	0.3%
20	Latvia	2	0.2%
21	Luxembourg	2	0.2%
22	India	2	0.2%
23	Colombia	2	0.2%
24	Mongolia	2	0.2%
25	Spain	2	0.2%
26	Ukraine	2	0.2%
27	Pakistan	2	0.2%
28	Romania	1	0.1%
29	Uganda	1	0.1%
30	United Kingdom	1	0.1%
31	Sweden	1	0.1%
32	Switzerland	1	0.1%
33	Bangladesh	1	0.1%
34	Brazil	1	0.1%
35	Czech Republic	1	0.1%
36	Indonesia	1	0.1%
37	Ghana	1	0.1%