Rank	Countries/Territories	Count	Percent
1	United States	437	42.6%
2	China	293	28.6%
3	Germany	62	6%
4	India	46	4.5%
5	Palestine, State of	24	2.3%
6	Bulgaria	22	2.1%
7	Ireland	14	1.4%
8	France	14	1.4%
9	Korea, Republic of	12	1.2%
10	Netherlands	9	0.9%
11	Japan	8	0.8%
12	Brazil	8	0.8%
13	Pakistan	6	0.6%
14	Ukraine	6	0.6%
15	Australia	5	0.5%
16	Hong Kong	5	0.5%
17	Cyprus	4	0.4%
18	Belgium	4	0.4%
19	Canada	4	0.4%
20	Taiwan	4	0.4%
21	United Kingdom	4	0.4%
22	Uzbekistan	3	0.3%
23	Spain	3	0.3%
24	Romania	3	0.3%
25	Argentina	3	0.3%
26	Italy	3	0.3%
27	Egypt	2	0.2%
28	Russia	2	0.2%
29	Nigeria	2	0.2%
30	Portugal	2	0.2%
31	Mauritius	2	0.2%
32	Mongolia	2	0.2%
33	Nepal	2	0.2%
34	Mexico	1	0.1%
35	Singapore	1	0.1%
36	South Africa	1	0.1%
37	Thailand	1	0.1%
38	Colombia	1	0.1%