Rank	Countries/Territories	Count	Percent
1	United States	543	41.5%
2	China	336	25.7%
3	Germany	90	6.9%
4	United Kingdom	45	3.4%
5	India	41	3.1%
6	France	40	3.1%
7	Japan	26	2%
8	Czech Republic	23	1.8%
9	Australia	22	1.7%
10	Canada	21	1.6%
11	Netherlands	14	1.1%
12	Singapore	12	0.9%
13	Hong Kong	10	0.8%
14	Cyprus	7	0.5%
15	Korea, Republic of	7	0.5%
16	Russia	6	0.5%
17	United Arab Emirates	6	0.5%
18	Thailand	6	0.5%
19	Romania	5	0.4%
20	Nicaragua	4	0.3%
21	Ireland	4	0.3%
22	Iran, Islamic Republic of	3	0.2%
23	Lithuania	3	0.2%
24	Portugal	3	0.2%
25	Estonia	3	0.2%
26	Turkey	3	0.2%
27	Indonesia	2	0.2%
28	Bangladesh	2	0.2%
29	Algeria	2	0.2%
30	Philippines	2	0.2%
31	Mexico	2	0.2%
32	Iraq	2	0.2%
33	Italy	2	0.2%
34	Malaysia	1	0.1%
35	Latvia	1	0.1%
36	Mongolia	1	0.1%
37	Norway	1	0.1%
38	Argentina	1	0.1%
39	Austria	1	0.1%
40	Denmark	1	0.1%
41	Spain	1	0.1%
42	Switzerland	1	0.1%
43	Tanzania, United Republic of	1	0.1%