Rank	Countries/Territories	Count	Percent
1	United States	544	36.1%
2	China	320	21.2%
3	Germany	142	9.4%
4	Belgium	116	7.7%
5	India	46	3.1%
6	Japan	45	3%
7	Canada	44	2.9%
8	France	28	1.9%
9	Netherlands	21	1.4%
10	United Kingdom	18	1.2%
11	Sri Lanka	15	1%
12	Australia	13	0.9%
13	Ukraine	11	0.7%
14	Poland	10	0.7%
15	Russia	10	0.7%
16	Cyprus	7	0.5%
17	Italy	7	0.5%
18	Hong Kong	7	0.5%
19	Singapore	6	0.4%
20	Romania	5	0.3%
21	South Africa	5	0.3%
22	Iran, Islamic Republic of	5	0.3%
23	Ireland	5	0.3%
24	Finland	4	0.3%
25	Slovenia	4	0.3%
26	Mongolia	4	0.3%
27	Viet Nam	4	0.3%
28	Pakistan	3	0.2%
29	Thailand	3	0.2%
30	Bangladesh	3	0.2%
31	Cote D'ivoire	3	0.2%
32	Czech Republic	3	0.2%
33	Brazil	3	0.2%
34	Bulgaria	3	0.2%
35	Indonesia	3	0.2%
36	Nigeria	2	0.1%
37	Norway	2	0.1%
38	Malaysia	2	0.1%
39	Mauritius	2	0.1%
40	Austria	2	0.1%
41	Denmark	2	0.1%
42	Egypt	2	0.1%
43	Ethiopia	2	0.1%
44	Croatia	2	0.1%
45	Turkey	2	0.1%
46	Sweden	2	0.1%
47	Switzerland	2	0.1%
48	Philippines	2	0.1%
49	Saudi Arabia	1	0.1%
50	Taiwan	1	0.1%
51	Spain	1	0.1%
52	Algeria	1	0.1%
53	Argentina	1	0.1%
54	Chile	1	0.1%
55	Moldova, Republic of	1	0.1%
56	Korea, Republic of	1	0.1%
57	Kuwait	1	0.1%
58	Libya	1	0.1%