Rank	Countries/Territories	Count	Percent
1	United States	613	40.3%
2	China	306	20.1%
3	Germany	143	9.4%
4	Netherlands	57	3.7%
5	India	54	3.5%
6	Switzerland	23	1.5%
7	United Kingdom	22	1.4%
8	France	22	1.4%
9	Ireland	21	1.4%
10	Slovakia	21	1.4%
11	Canada	19	1.2%
12	Japan	18	1.2%
13	Australia	16	1.1%
14	Korea, Republic of	13	0.9%
15	Singapore	13	0.9%
16	Norway	12	0.8%
17	Cyprus	10	0.7%
18	Poland	9	0.6%
19	Portugal	9	0.6%
20	Romania	8	0.5%
21	Spain	8	0.5%
22	Israel	7	0.5%
23	Italy	6	0.4%
24	Sweden	6	0.4%
25	Russia	5	0.3%
26	Saudi Arabia	5	0.3%
27	Serbia	5	0.3%
28	Bahrain	5	0.3%
29	Belgium	5	0.3%
30	Iraq	4	0.3%
31	United Arab Emirates	4	0.3%
32	Ukraine	3	0.2%
33	Mexico	3	0.2%
34	Viet Nam	3	0.2%
35	Malaysia	3	0.2%
36	Indonesia	3	0.2%
37	Hungary	3	0.2%
38	Ethiopia	3	0.2%
39	Croatia	2	0.1%
40	Ecuador	2	0.1%
41	Brazil	2	0.1%
42	Hong Kong	2	0.1%
43	Philippines	2	0.1%
44	Lithuania	2	0.1%
45	South Africa	2	0.1%
46	Thailand	2	0.1%
47	Turkey	2	0.1%
48	Uganda	2	0.1%
49	Taiwan	1	0.1%
50	Latvia	1	0.1%
51	Malta	1	0.1%
52	Mauritius	1	0.1%
53	Greece	1	0.1%
54	Bulgaria	1	0.1%
55	Bangladesh	1	0.1%
56	Argentina	1	0.1%
57	Colombia	1	0.1%
58	Egypt	1	0.1%
59	Czech Republic	1	0.1%
60	Georgia	1	0.1%