Rank	Countries/Territories	Count	Percent
1	United States	461	28.1%
2	China	325	19.8%
3	Canada	244	14.9%
4	Germany	148	9%
5	Taiwan	75	4.6%
6	Japan	68	4.1%
7	India	46	2.8%
8	Egypt	38	2.3%
9	Spain	24	1.5%
10	France	23	1.4%
11	Korea, Republic of	18	1.1%
12	Netherlands	14	0.9%
13	Russia	14	0.9%
14	Singapore	13	0.8%
15	Israel	12	0.7%
16	Brazil	12	0.7%
17	Cyprus	11	0.7%
18	Australia	10	0.6%
19	Mexico	9	0.5%
20	Hong Kong	8	0.5%
21	Iran, Islamic Republic of	8	0.5%
22	Turkey	8	0.5%
23	United Kingdom	6	0.4%
24	Indonesia	6	0.4%
25	Argentina	6	0.4%
26	Ireland	5	0.3%
27	Ukraine	5	0.3%
28	Slovakia	4	0.2%
29	Malaysia	3	0.2%
30	Serbia	3	0.2%
31	Pakistan	2	0.1%
32	Sweden	2	0.1%
33	Thailand	2	0.1%
34	Denmark	2	0.1%
35	Colombia	2	0.1%
36	Georgia	1	0.1%
37	Greece	1	0.1%
38	South Africa	1	0.1%
39	Saudi Arabia	1	0.1%
40	Poland	1	0.1%
41	Italy	1	0.1%