Rank	Countries/Territories	Count	Percent
1	United States	751	31%
2	China	635	26.2%
3	Germany	252	10.4%
4	United Kingdom	119	4.9%
5	Czech Republic	58	2.4%
6	Hong Kong	49	2%
7	India	47	1.9%
8	Denmark	42	1.7%
9	Brazil	38	1.6%
10	Japan	36	1.5%
11	Netherlands	36	1.5%
12	Korea, Republic of	35	1.4%
13	France	35	1.4%
14	Australia	22	0.9%
15	Taiwan	20	0.8%
16	Latvia	17	0.7%
17	Turkey	16	0.7%
18	Canada	15	0.6%
19	Ireland	14	0.6%
20	Iran, Islamic Republic of	12	0.5%
21	Chile	12	0.5%
22	Spain	12	0.5%
23	Cyprus	11	0.5%
24	Russia	10	0.4%
25	Italy	8	0.3%
26	Argentina	7	0.3%
27	Singapore	7	0.3%
28	Pakistan	7	0.3%
29	Ukraine	6	0.2%
30	United Arab Emirates	6	0.2%
31	Belgium	6	0.2%
32	Greece	6	0.2%
33	Indonesia	5	0.2%
34	Thailand	5	0.2%
35	Malaysia	5	0.2%
36	New Zealand	4	0.2%
37	Bhutan	4	0.2%
38	Bangladesh	4	0.2%
39	Egypt	3	0.1%
40	Israel	3	0.1%
41	Philippines	3	0.1%
42	South Africa	3	0.1%
43	Saudi Arabia	3	0.1%
44	Norway	3	0.1%
45	Romania	3	0.1%
46	Poland	2	0.1%
47	Mexico	2	0.1%
48	Tanzania, United Republic of	2	0.1%
49	Iraq	2	0.1%
50	Lithuania	2	0.1%
51	Kuwait	2	0.1%
52	Colombia	2	0.1%
53	Armenia	2	0.1%
54	Austria	2	0.1%
55	Georgia	1	0%
56	Lao People's Democratic Republic	1	0%
57	Lebanon	1	0%
58	Honduras	1	0%
59	Viet Nam	1	0%
60	Nigeria	1	0%
61	Portugal	1	0%
62	Sweden	1	0%
63	Switzerland	1	0%