Rank	Countries/Territories	Count	Percent
1	United States	379	34.4%
2	China	235	21.3%
3	Germany	71	6.4%
4	India	58	5.3%
5	Spain	39	3.5%
6	Canada	31	2.8%
7	United Kingdom	30	2.7%
8	France	28	2.5%
9	Australia	24	2.2%
10	Japan	24	2.2%
11	Poland	19	1.7%
12	Italy	12	1.1%
13	Singapore	10	0.9%
14	Slovenia	9	0.8%
15	Malaysia	9	0.8%
16	Netherlands	9	0.8%
17	Brazil	9	0.8%
18	Korea, Republic of	8	0.7%
19	Israel	7	0.6%
20	Sweden	7	0.6%
21	Saudi Arabia	6	0.5%
22	Senegal	6	0.5%
23	Romania	6	0.5%
24	Egypt	6	0.5%
25	Hong Kong	5	0.5%
26	Colombia	5	0.5%
27	Ireland	5	0.5%
28	Iran, Islamic Republic of	4	0.4%
29	Austria	3	0.3%
30	Hungary	3	0.3%
31	Finland	3	0.3%
32	Indonesia	2	0.2%
33	Bangladesh	2	0.2%
34	Croatia	2	0.2%
35	Cyprus	2	0.2%
36	Morocco	2	0.2%
37	Portugal	2	0.2%
38	Norway	2	0.2%
39	Oman	2	0.2%
40	South Africa	2	0.2%
41	Taiwan	2	0.2%
42	Turkey	2	0.2%
43	Viet Nam	2	0.2%
44	Switzerland	1	0.1%
45	Palestine, State of	1	0.1%
46	New Zealand	1	0.1%
47	Qatar	1	0.1%
48	Russia	1	0.1%
49	Lithuania	1	0.1%
50	Czech Republic	1	0.1%
51	Bulgaria	1	0.1%