Rank	Countries/Territories	Count	Percent
1	United States	490	35.5%
2	China	288	20.9%
3	Germany	84	6.1%
4		83	6%
5	Czech Republic	37	2.7%
6	United Kingdom	33	2.4%
7	India	30	2.2%
8	France	24	1.7%
9	Egypt	23	1.7%
10	Netherlands	23	1.7%
11	Mexico	21	1.5%
12	Indonesia	18	1.3%
13	Ghana	17	1.2%
14	Romania	15	1.1%
15	Ukraine	13	0.9%
16	Turkey	12	0.9%
17	Cyprus	12	0.9%
18	Canada	11	0.8%
19	Iran, Islamic Republic of	10	0.7%
20	Ireland	9	0.7%
21	Hong Kong	8	0.6%
22	Iraq	7	0.5%
23	Lithuania	7	0.5%
24	Brazil	7	0.5%
25	Bulgaria	6	0.4%
26	Philippines	6	0.4%
27	Saudi Arabia	5	0.4%
28	Thailand	5	0.4%
29	Australia	5	0.4%
30	Mongolia	5	0.4%
31	Lao People's Democratic Republic	4	0.3%
32	Latvia	4	0.3%
33	Singapore	4	0.3%
34	Russia	4	0.3%
35	Pakistan	4	0.3%
36	Peru	3	0.2%
37	Poland	3	0.2%
38	Spain	3	0.2%
39	New Zealand	3	0.2%
40	Israel	3	0.2%
41	Italy	3	0.2%
42	Cameroon	3	0.2%
43	Chile	3	0.2%
44	Armenia	2	0.1%
45	Algeria	2	0.1%
46	Ecuador	2	0.1%
47	Morocco	2	0.1%
48	Malaysia	2	0.1%
49	Sweden	2	0.1%
50	Syrian Arab Republic	1	0.1%
51	Qatar	1	0.1%
52	Serbia	1	0.1%
53	Uruguay	1	0.1%
54	Viet Nam	1	0.1%
55	Lebanon	1	0.1%
56	Costa Rica	1	0.1%
57	Croatia	1	0.1%
58	Ethiopia	1	0.1%
59	Georgia	1	0.1%
60	Argentina	1	0.1%