Rank	Countries/Territories	Count	Percent
1	United States	576	36.2%
2	China	555	34.9%
3	Germany	110	6.9%
4	India	52	3.3%
5	Japan	38	2.4%
6	Canada	33	2.1%
7		24	1.5%
8	Ireland	19	1.2%
9	Netherlands	18	1.1%
10	Russia	16	1%
11	Korea, Republic of	15	0.9%
12	Morocco	14	0.9%
13	United Kingdom	14	0.9%
14	Iran, Islamic Republic of	12	0.8%
15	Hong Kong	10	0.6%
16	Brazil	10	0.6%
17	Cambodia	9	0.6%
18	France	9	0.6%
19	Taiwan	6	0.4%
20	Australia	6	0.4%
21	Belgium	4	0.3%
22	Singapore	4	0.3%
23	Peru	3	0.2%
24	Portugal	3	0.2%
25	Argentina	3	0.2%
26	Ukraine	3	0.2%
27	Viet Nam	3	0.2%
28	Austria	2	0.1%
29	Belarus	2	0.1%
30	Czech Republic	2	0.1%
31	Sweden	2	0.1%
32	Thailand	2	0.1%
33	Turkey	1	0.1%
34	Romania	1	0.1%
35	Serbia	1	0.1%
36	Norway	1	0.1%
37	Malaysia	1	0.1%
38	Italy	1	0.1%
39	Egypt	1	0.1%
40	Finland	1	0.1%
41	Cuba	1	0.1%
42	Cyprus	1	0.1%
43	Venezuela, Bolivarian Republic of	1	0.1%