Rank	Countries/Territories	Count	Percent
1	United States	316	43.6%
2	China	156	21.5%
3	Germany	73	10.1%
4	Netherlands	30	4.1%
5	France	20	2.8%
6	Australia	20	2.8%
7	Taiwan	14	1.9%
8	Canada	13	1.8%
9	Japan	9	1.2%
10	Russia	9	1.2%
11	United Kingdom	7	1%
12	Ireland	7	1%
13	Sri Lanka	5	0.7%
14	Bulgaria	4	0.6%
15	Bangladesh	3	0.4%
16	Italy	3	0.4%
17	India	3	0.4%
18	Singapore	3	0.4%
19	Oman	3	0.4%
20	Romania	3	0.4%
21	Viet Nam	2	0.3%
22	Mauritius	2	0.3%
23	Spain	2	0.3%
24	Sweden	2	0.3%
25	Iran, Islamic Republic of	2	0.3%
26	Hong Kong	2	0.3%
27	Argentina	2	0.3%
28	Colombia	2	0.3%
29	Cyprus	2	0.3%
30	Czech Republic	1	0.1%
31	Belgium	1	0.1%
32	Switzerland	1	0.1%
33	Portugal	1	0.1%
34	Uganda	1	0.1%
35	Ukraine	1	0.1%