Rank	Countries/Territories	Count	Percent
1	United States	554	45.5%
2	China	264	21.7%
3	Germany	132	10.8%
4	Netherlands	49	4%
5	Japan	26	2.1%
6	India	23	1.9%
7	Ireland	17	1.4%
8	Taiwan	16	1.3%
9	Singapore	14	1.1%
10	Korea, Republic of	14	1.1%
11	United Kingdom	12	1%
12	Czech Republic	10	0.8%
13	France	8	0.7%
14	South Africa	7	0.6%
15	Romania	7	0.6%
16	Cameroon	6	0.5%
17	Australia	6	0.5%
18	Canada	5	0.4%
19	Cyprus	5	0.4%
20	Iran, Islamic Republic of	5	0.4%
21	Thailand	4	0.3%
22	Turkey	3	0.2%
23	Russia	3	0.2%
24	Nigeria	3	0.2%
25	Hong Kong	3	0.2%
26	Philippines	3	0.2%
27	United Arab Emirates	3	0.2%
28	Indonesia	2	0.2%
29	Brazil	2	0.2%
30	Serbia	2	0.2%
31	Ukraine	1	0.1%
32	Norway	1	0.1%
33	Italy	1	0.1%
34	Malaysia	1	0.1%
35	Mauritius	1	0.1%
36	Mongolia	1	0.1%
37	Argentina	1	0.1%
38	Bangladesh	1	0.1%
39	Greece	1	0.1%
40	Uzbekistan	1	0.1%