Rank	Countries/Territories	Count	Percent
1	United States	605	41.7%
2	China	405	27.9%
3	Germany	136	9.4%
4	Netherlands	52	3.6%
5	Japan	26	1.8%
6	India	26	1.8%
7	Ireland	17	1.2%
8	Singapore	17	1.2%
9	Korea, Republic of	16	1.1%
10	Taiwan	16	1.1%
11	United Kingdom	12	0.8%
12	Australia	12	0.8%
13	France	11	0.8%
14	Czech Republic	10	0.7%
15	Canada	9	0.6%
16	Cyprus	7	0.5%
17	South Africa	7	0.5%
18	Romania	7	0.5%
19	Cameroon	6	0.4%
20	Iran, Islamic Republic of	5	0.3%
21	Hong Kong	4	0.3%
22	Argentina	4	0.3%
23	Mongolia	4	0.3%
24	Thailand	4	0.3%
25	Turkey	3	0.2%
26	United Arab Emirates	3	0.2%
27	Philippines	3	0.2%
28	Russia	3	0.2%
29	Nigeria	3	0.2%
30	Serbia	2	0.1%
31	Spain	2	0.1%
32	Brazil	2	0.1%
33	Indonesia	2	0.1%
34	Greece	1	0.1%
35	Bangladesh	1	0.1%
36	Switzerland	1	0.1%
37	Norway	1	0.1%
38	Italy	1	0.1%
39	Malaysia	1	0.1%
40	Mauritius	1	0.1%
41	Uzbekistan	1	0.1%
42	Ukraine	1	0.1%