Rank	Countries/Territories	Count	Percent
1	United States	501	33.6%
2	China	470	31.5%
3	India	71	4.8%
4	Germany	55	3.7%
5	Greece	37	2.5%
6	Japan	37	2.5%
7	Hong Kong	29	1.9%
8	Korea, Republic of	25	1.7%
9	Iran, Islamic Republic of	21	1.4%
10	Ireland	21	1.4%
11	United Kingdom	18	1.2%
12	Taiwan	17	1.1%
13	Netherlands	17	1.1%
14	Brazil	14	0.9%
15	Canada	14	0.9%
16	Russia	12	0.8%
17	Israel	11	0.7%
18	Portugal	10	0.7%
19	Kazakhstan	10	0.7%
20	Singapore	9	0.6%
21	Italy	8	0.5%
22	Australia	8	0.5%
23	Chile	7	0.5%
24	Mexico	7	0.5%
25	Thailand	7	0.5%
26	Spain	6	0.4%
27	Cyprus	5	0.3%
28	France	5	0.3%
29	Belgium	4	0.3%
30	Czech Republic	3	0.2%
31	Egypt	3	0.2%
32	South Africa	3	0.2%
33	Qatar	3	0.2%
34	Nigeria	3	0.2%
35	Morocco	3	0.2%
36	Norway	2	0.1%
37	Ethiopia	2	0.1%
38	Viet Nam	2	0.1%
39	Turkey	1	0.1%
40	Ukraine	1	0.1%
41	United Arab Emirates	1	0.1%
42	Ecuador	1	0.1%
43	Colombia	1	0.1%
44	Botswana	1	0.1%
45	Romania	1	0.1%
46	Switzerland	1	0.1%
47	New Zealand	1	0.1%
48	Indonesia	1	0.1%