Rank	Countries/Territories	Count	Percent
1	United States	546	39.6%
2	China	269	19.5%
3	Germany	133	9.6%
4	Netherlands	53	3.8%
5	India	49	3.6%
6	Switzerland	23	1.7%
7	United Kingdom	22	1.6%
8	Slovakia	21	1.5%
9	Ireland	20	1.5%
10	Japan	18	1.3%
11	France	18	1.3%
12	Canada	18	1.3%
13	Australia	15	1.1%
14	Korea, Republic of	13	0.9%
15	Singapore	13	0.9%
16	Norway	12	0.9%
17	Cyprus	10	0.7%
18	Poland	9	0.7%
19	Portugal	9	0.7%
20	Spain	8	0.6%
21	Israel	7	0.5%
22	Italy	6	0.4%
23	Sweden	6	0.4%
24	Romania	5	0.4%
25	Saudi Arabia	5	0.4%
26	Bahrain	5	0.4%
27	Belgium	5	0.4%
28	Serbia	4	0.3%
29	Iraq	4	0.3%
30	United Arab Emirates	4	0.3%
31	Viet Nam	3	0.2%
32	Ukraine	3	0.2%
33	Hungary	3	0.2%
34	Indonesia	3	0.2%
35	Malaysia	3	0.2%
36	Mexico	3	0.2%
37	Ethiopia	3	0.2%
38	Hong Kong	2	0.1%
39	Ecuador	2	0.1%
40	Brazil	2	0.1%
41	Lithuania	2	0.1%
42	Thailand	2	0.1%
43	Turkey	2	0.1%
44	Uganda	2	0.1%
45	Philippines	2	0.1%
46	South Africa	2	0.1%
47	Taiwan	1	0.1%
48	Malta	1	0.1%
49	Mauritius	1	0.1%
50	Latvia	1	0.1%
51	Bulgaria	1	0.1%
52	Argentina	1	0.1%
53	Colombia	1	0.1%
54	Egypt	1	0.1%
55	Georgia	1	0.1%
56	Greece	1	0.1%