Rank	Countries/Territories	Count	Percent
1	United States	631	37.9%
2	China	512	30.8%
3	Germany	68	4.1%
4		63	3.8%
5	Brazil	55	3.3%
6	India	51	3.1%
7	Australia	32	1.9%
8	Singapore	25	1.5%
9	Korea, Republic of	24	1.4%
10	Russia	22	1.3%
11	Tunisia	20	1.2%
12	Japan	16	1%
13	Canada	16	1%
14	Latvia	13	0.8%
15	Taiwan	13	0.8%
16	United Kingdom	11	0.7%
17	Netherlands	9	0.5%
18	Iran, Islamic Republic of	9	0.5%
19	Viet Nam	8	0.5%
20	France	6	0.4%
21	Italy	6	0.4%
22	Bosnia and Herzegovina	6	0.4%
23	Hong Kong	6	0.4%
24	Ireland	5	0.3%
25	Portugal	4	0.2%
26	Mexico	3	0.2%
27	Indonesia	3	0.2%
28	Czech Republic	3	0.2%
29	Egypt	2	0.1%
30	Argentina	2	0.1%
31	Bulgaria	2	0.1%
32	Spain	2	0.1%
33	Ukraine	2	0.1%
34	Uruguay	2	0.1%
35	Thailand	1	0.1%
36	Turkey	1	0.1%
37	Switzerland	1	0.1%
38	Syrian Arab Republic	1	0.1%
39	Slovakia	1	0.1%
40	Romania	1	0.1%
41	Saudi Arabia	1	0.1%
42	Serbia	1	0.1%
43	New Zealand	1	0.1%
44	Norway	1	0.1%
45	Chile	1	0.1%
46	Cyprus	1	0.1%