Rank	Countries/Territories	Count	Percent
1	United States	389	32.7%
2	China	238	20%
3	Germany	113	9.5%
4	Belgium	112	9.4%
5	India	45	3.8%
6	Japan	43	3.6%
7	Canada	43	3.6%
8	Netherlands	18	1.5%
9	France	18	1.5%
10	United Kingdom	17	1.4%
11	Sri Lanka	15	1.3%
12	Australia	11	0.9%
13	Poland	10	0.8%
14	Russia	10	0.8%
15	Ukraine	10	0.8%
16	Italy	6	0.5%
17	Hong Kong	6	0.5%
18	Iran, Islamic Republic of	5	0.4%
19	Ireland	5	0.4%
20	Romania	5	0.4%
21	Cyprus	5	0.4%
22	Singapore	5	0.4%
23	Slovenia	4	0.3%
24	Mongolia	4	0.3%
25	Viet Nam	4	0.3%
26	Finland	4	0.3%
27	Bangladesh	3	0.3%
28	Cote D'ivoire	3	0.3%
29	Bulgaria	3	0.3%
30	Austria	2	0.2%
31	Croatia	2	0.2%
32	Denmark	2	0.2%
33	Egypt	2	0.2%
34	Ethiopia	2	0.2%
35	Pakistan	2	0.2%
36	Philippines	2	0.2%
37	Indonesia	2	0.2%
38	Thailand	2	0.2%
39	South Africa	2	0.2%
40	Sweden	2	0.2%
41	Switzerland	2	0.2%
42	Taiwan	1	0.1%
43	Saudi Arabia	1	0.1%
44	Turkey	1	0.1%
45	Korea, Republic of	1	0.1%
46	Kuwait	1	0.1%
47	Libya	1	0.1%
48	Malaysia	1	0.1%
49	Mauritius	1	0.1%
50	Czech Republic	1	0.1%
51	Algeria	1	0.1%
52	Argentina	1	0.1%
53	Chile	1	0.1%