Rank	Countries/Territories	Count	Percent
1	United States	440	43.8%
2	China	244	24.3%
3	Germany	130	12.9%
4	Netherlands	29	2.9%
5	Taiwan	23	2.3%
6	Canada	22	2.2%
7	Bulgaria	21	2.1%
8	Japan	14	1.4%
9	Hong Kong	10	1%
10	France	8	0.8%
11	South Africa	7	0.7%
12	United Kingdom	5	0.5%
13	Mauritius	4	0.4%
14	Russia	4	0.4%
15	Cyprus	4	0.4%
16	Argentina	4	0.4%
17	India	3	0.3%
18	Singapore	3	0.3%
19	Slovenia	2	0.2%
20	Qatar	2	0.2%
21	Nigeria	2	0.2%
22	Ukraine	2	0.2%
23	Indonesia	2	0.2%
24	Brazil	2	0.2%
25	Ireland	2	0.2%
26	Korea, Republic of	2	0.2%
27	Latvia	2	0.2%
28	Lithuania	2	0.2%
29	Malaysia	2	0.2%
30	Iran, Islamic Republic of	1	0.1%
31	Spain	1	0.1%
32	Switzerland	1	0.1%
33	Thailand	1	0.1%
34	Norway	1	0.1%
35	Oman	1	0.1%
36	Poland	1	0.1%