Rank	Countries/Territories	Count	Percent
1	United States	468	43%
2	China	302	27.8%
3	Germany	63	5.8%
4	India	47	4.3%
5	Palestine, State of	31	2.8%
6	Bulgaria	26	2.4%
7	France	17	1.6%
8	Ireland	14	1.3%
9	Korea, Republic of	12	1.1%
10	Japan	10	0.9%
11	Netherlands	9	0.8%
12	Brazil	8	0.7%
13	Hong Kong	6	0.6%
14	Pakistan	6	0.6%
15	Ukraine	6	0.6%
16	Cyprus	5	0.5%
17	Australia	5	0.5%
18	Canada	5	0.5%
19	Belgium	4	0.4%
20	United Kingdom	4	0.4%
21	Taiwan	4	0.4%
22	Uzbekistan	3	0.3%
23	Argentina	3	0.3%
24	Italy	3	0.3%
25	Spain	3	0.3%
26	Romania	3	0.3%
27	Russia	2	0.2%
28	Singapore	2	0.2%
29	Portugal	2	0.2%
30	Nigeria	2	0.2%
31	Mongolia	2	0.2%
32	Nepal	2	0.2%
33	Mauritius	2	0.2%
34	Egypt	2	0.2%
35	Colombia	1	0.1%
36	Mexico	1	0.1%
37	Malaysia	1	0.1%
38	South Africa	1	0.1%
39	Thailand	1	0.1%