Rank	Countries/Territories	Count	Percent
1	United States	584	36.2%
2	China	485	30.1%
3	Germany	130	8.1%
4	Canada	42	2.6%
5	United Kingdom	37	2.3%
6	India	36	2.2%
7	France	29	1.8%
8	Czech Republic	28	1.7%
9	Japan	27	1.7%
10	Netherlands	24	1.5%
11	Russia	21	1.3%
12	Australia	19	1.2%
13	Philippines	17	1.1%
14	Singapore	16	1%
15	Korea, Republic of	12	0.7%
16	Ireland	12	0.7%
17	Viet Nam	9	0.6%
18	Taiwan	9	0.6%
19	Indonesia	8	0.5%
20	Hong Kong	7	0.4%
21	Colombia	7	0.4%
22	Cyprus	7	0.4%
23	Romania	5	0.3%
24	Italy	4	0.2%
25	Bulgaria	3	0.2%
26	Bosnia and Herzegovina	3	0.2%
27	Norway	3	0.2%
28	Spain	3	0.2%
29	Malaysia	3	0.2%
30	Thailand	3	0.2%
31	Uganda	2	0.1%
32	Sri Lanka	2	0.1%
33	Slovakia	2	0.1%
34	Oman	2	0.1%
35	Panama	2	0.1%
36	Austria	2	0.1%
37	Brazil	1	0.1%
38	Iran, Islamic Republic of	1	0.1%
39	Mongolia	1	0.1%
40	New Zealand	1	0.1%
41	Nigeria	1	0.1%
42	Latvia	1	0.1%
43	Libya	1	0.1%
44	Ukraine	1	0.1%