Rank	Countries/Territories	Count	Percent
1	United States	576	36.3%
2	China	508	32%
3	Germany	95	6%
4	France	47	3%
5	Canada	38	2.4%
6	Netherlands	36	2.3%
7		33	2.1%
8	Japan	23	1.4%
9	Australia	19	1.2%
10	United Kingdom	19	1.2%
11	Korea, Republic of	15	0.9%
12	India	15	0.9%
13	Ukraine	14	0.9%
14	South Africa	12	0.8%
15	Hong Kong	12	0.8%
16	Cyprus	12	0.8%
17	Denmark	9	0.6%
18	Pakistan	9	0.6%
19	Spain	9	0.6%
20	Mexico	6	0.4%
21	Ireland	5	0.3%
22	Austria	5	0.3%
23	Romania	5	0.3%
24	Russia	5	0.3%
25	Norway	4	0.3%
26	Singapore	4	0.3%
27	Taiwan	4	0.3%
28	Italy	4	0.3%
29	Malaysia	3	0.2%
30	Portugal	3	0.2%
31	Brazil	3	0.2%
32	Bulgaria	3	0.2%
33	Argentina	3	0.2%
34	Colombia	3	0.2%
35	Greece	3	0.2%
36	Tanzania, United Republic of	3	0.2%
37	Thailand	3	0.2%
38	Saudi Arabia	3	0.2%
39	Egypt	2	0.1%
40	Mauritius	2	0.1%
41	Latvia	2	0.1%
42	Iran, Islamic Republic of	2	0.1%
43	Indonesia	1	0.1%
44	Mongolia	1	0.1%
45	Nigeria	1	0.1%
46	Dominican Republic	1	0.1%
47	Georgia	1	0.1%
48	Turkey	1	0.1%