Rank	Countries/Territories	Count	Percent
1	United States	551	43.6%
2	China	281	22.2%
3	Germany	71	5.6%
4		46	3.6%
5	Japan	40	3.2%
6	France	39	3.1%
7	Canada	23	1.8%
8	India	22	1.7%
9	Hungary	17	1.3%
10	Singapore	15	1.2%
11	Norway	14	1.1%
12	Australia	12	0.9%
13	Spain	12	0.9%
14	Korea, Republic of	11	0.9%
15	Italy	10	0.8%
16	Netherlands	10	0.8%
17	Ireland	7	0.6%
18	Mexico	6	0.5%
19	Peru	6	0.5%
20	Romania	6	0.5%
21	Belgium	6	0.5%
22	Cyprus	6	0.5%
23	Brazil	5	0.4%
24	Argentina	5	0.4%
25	United Kingdom	5	0.4%
26	Greece	4	0.3%
27	Poland	4	0.3%
28	Philippines	3	0.2%
29	Malaysia	3	0.2%
30	Pakistan	3	0.2%
31	Bangladesh	3	0.2%
32	Egypt	2	0.2%
33	Mongolia	2	0.2%
34	Indonesia	2	0.2%
35	Ukraine	2	0.2%
36	Uruguay	2	0.2%
37	Taiwan	2	0.2%
38	Thailand	1	0.1%
39	Iran, Islamic Republic of	1	0.1%
40	Latvia	1	0.1%
41	Paraguay	1	0.1%
42	Czech Republic	1	0.1%
43	Denmark	1	0.1%
44	Colombia	1	0.1%