Rank	Countries/Territories	Count	Percent
1	United States	645	36%
2	China	573	31.9%
3	Germany	114	6.4%
4	India	72	4%
5	Netherlands	56	3.1%
6	France	51	2.8%
7	Japan	46	2.6%
8	Sweden	30	1.7%
9	Singapore	23	1.3%
10	Iran, Islamic Republic of	20	1.1%
11	Ireland	20	1.1%
12	United Kingdom	19	1.1%
13	Canada	11	0.6%
14		10	0.6%
15	Cyprus	9	0.5%
16	Russia	7	0.4%
17	Spain	7	0.4%
18	Korea, Republic of	7	0.4%
19	Turkey	7	0.4%
20	Italy	6	0.3%
21	Australia	6	0.3%
22	Egypt	5	0.3%
23	Romania	5	0.3%
24	Norway	4	0.2%
25	Belgium	4	0.2%
26	Portugal	3	0.2%
27	Slovakia	3	0.2%
28	Uganda	3	0.2%
29	Ukraine	2	0.1%
30	Taiwan	2	0.1%
31	Hong Kong	2	0.1%
32	Pakistan	2	0.1%
33	Peru	2	0.1%
34	Latvia	2	0.1%
35	Bulgaria	2	0.1%
36	Austria	2	0.1%
37	Israel	2	0.1%
38	Indonesia	1	0.1%
39	Greece	1	0.1%
40	Argentina	1	0.1%
41	Malaysia	1	0.1%
42	Mongolia	1	0.1%
43	Morocco	1	0.1%
44	Nepal	1	0.1%
45	Philippines	1	0.1%
46	Viet Nam	1	0.1%
47	Switzerland	1	0.1%