Rank	Countries/Territories	Count	Percent
1	United States	471	37%
2	China	256	20.1%
3	Germany	115	9%
4	India	48	3.8%
5	United Kingdom	28	2.2%
6	Korea, Republic of	23	1.8%
7	France	22	1.7%
8	Belgium	22	1.7%
9		20	1.6%
10	Indonesia	19	1.5%
11	Brazil	18	1.4%
12	Netherlands	18	1.4%
13	Canada	15	1.2%
14	Australia	15	1.2%
15	Hungary	14	1.1%
16	Japan	11	0.9%
17	Hong Kong	11	0.9%
18	Slovakia	10	0.8%
19	Slovenia	10	0.8%
20	Norway	8	0.6%
21	Cyprus	8	0.6%
22	Czech Republic	8	0.6%
23	Ireland	7	0.5%
24	Italy	6	0.5%
25	Philippines	6	0.5%
26	Thailand	6	0.5%
27	Ukraine	5	0.4%
28	Portugal	5	0.4%
29	New Zealand	5	0.4%
30	Peru	5	0.4%
31	Switzerland	5	0.4%
32	Iran, Islamic Republic of	5	0.4%
33	Greece	4	0.3%
34	El Salvador	3	0.2%
35	Malawi	3	0.2%
36	Singapore	3	0.2%
37	Pakistan	3	0.2%
38	Romania	3	0.2%
39	Taiwan	3	0.2%
40	Poland	2	0.2%
41	South Africa	2	0.2%
42	Spain	2	0.2%
43	Malaysia	2	0.2%
44	Mexico	2	0.2%
45	Latvia	2	0.2%
46	Ethiopia	2	0.2%
47	Argentina	2	0.2%
48	Armenia	1	0.1%
49	Bangladesh	1	0.1%
50	Bosnia and Herzegovina	1	0.1%
51	Finland	1	0.1%
52	Ecuador	1	0.1%
53	Egypt	1	0.1%
54	Mongolia	1	0.1%
55	Iraq	1	0.1%
56	Sweden	1	0.1%
57	Syrian Arab Republic	1	0.1%
58	Russia	1	0.1%