Rank	Countries/Territories	Count	Percent
1	United States	873	47.7%
2	China	464	25.3%
3	Germany	142	7.8%
4	France	137	7.5%
5	Netherlands	29	1.6%
6	United Kingdom	28	1.5%
7	Japan	26	1.4%
8	Singapore	12	0.7%
9	Canada	10	0.5%
10	Australia	9	0.5%
11	Nigeria	9	0.5%
12	India	8	0.4%
13	Hong Kong	7	0.4%
14	Poland	7	0.4%
15	Taiwan	6	0.3%
16	Bulgaria	6	0.3%
17	Cyprus	5	0.3%
18	Latvia	5	0.3%
19	Philippines	4	0.2%
20	Argentina	4	0.2%
21	Chile	3	0.2%
22	Colombia	3	0.2%
23	Egypt	3	0.2%
24	Indonesia	3	0.2%
25	Iran, Islamic Republic of	3	0.2%
26	Malaysia	3	0.2%
27	Korea, Republic of	3	0.2%
28	Kenya	2	0.1%
29	Mexico	2	0.1%
30	Serbia	2	0.1%
31	Portugal	2	0.1%
32	Ireland	2	0.1%
33	Italy	2	0.1%
34	Belgium	1	0.1%
35	Romania	1	0.1%
36	Spain	1	0.1%
37	Sweden	1	0.1%
38	Turkey	1	0.1%
39	Ukraine	1	0.1%
40	Viet Nam	1	0.1%