Rank	Countries/Territories	Count	Percent
1	United States	425	42.6%
2	China	256	25.7%
3	Germany	98	9.8%
4	Russia	22	2.2%
5	Netherlands	18	1.8%
6	Taiwan	16	1.6%
7	Canada	15	1.5%
8	Japan	14	1.4%
9	Singapore	13	1.3%
10	United Kingdom	12	1.2%
11	Thailand	11	1.1%
12	Korea, Republic of	10	1%
13	India	10	1%
14	France	9	0.9%
15	Pakistan	7	0.7%
16	South Africa	7	0.7%
17	Australia	6	0.6%
18	Belgium	4	0.4%
19	Indonesia	4	0.4%
20	Ireland	4	0.4%
21	Serbia	4	0.4%
22	Nigeria	4	0.4%
23	Cameroon	3	0.3%
24	Egypt	2	0.2%
25	Austria	2	0.2%
26	Kenya	2	0.2%
27	Nicaragua	2	0.2%
28	Malaysia	2	0.2%
29	Mauritius	2	0.2%
30	Turkey	2	0.2%
31	Tanzania, United Republic of	2	0.2%
32	Ukraine	1	0.1%
33	Nepal	1	0.1%
34	Latvia	1	0.1%
35	Philippines	1	0.1%
36	Bulgaria	1	0.1%
37	Colombia	1	0.1%
38	Cyprus	1	0.1%
39	Ecuador	1	0.1%
40	Argentina	1	0.1%
41	Hong Kong	1	0.1%