Rank	Countries/Territories	Count	Percent
1	United States	587	38.8%
2	China	356	23.5%
3	Germany	149	9.9%
4	Japan	89	5.9%
5	Italy	55	3.6%
6	France	43	2.8%
7	Netherlands	24	1.6%
8	Canada	22	1.5%
9	India	19	1.3%
10	Ireland	18	1.2%
11	Singapore	13	0.9%
12	Thailand	13	0.9%
13	Hong Kong	12	0.8%
14	Bulgaria	10	0.7%
15	Russia	9	0.6%
16	Taiwan	8	0.5%
17	South Africa	8	0.5%
18	Korea, Republic of	8	0.5%
19	United Kingdom	7	0.5%
20	Latvia	5	0.3%
21	Malaysia	4	0.3%
22	Burkina Faso	4	0.3%
23	Indonesia	4	0.3%
24	Cyprus	4	0.3%
25	Ukraine	4	0.3%
26	Spain	3	0.2%
27	Ghana	3	0.2%
28	Cote D'ivoire	3	0.2%
29	Mauritius	3	0.2%
30	Nigeria	3	0.2%
31	Poland	2	0.1%
32	Colombia	2	0.1%
33	Hungary	2	0.1%
34	Lithuania	2	0.1%
35	Romania	2	0.1%
36	Viet Nam	2	0.1%
37	Greece	1	0.1%
38	Egypt	1	0.1%
39	Australia	1	0.1%
40	Brazil	1	0.1%
41	Portugal	1	0.1%
42	Norway	1	0.1%
43	Pakistan	1	0.1%
44	Philippines	1	0.1%
45	Lebanon	1	0.1%
46	Israel	1	0.1%