Rank	Countries/Territories	Count	Percent
1	United States	505	39.4%
2	China	251	19.6%
3	Germany	109	8.5%
4	Netherlands	52	4.1%
5	India	48	3.7%
6	Switzerland	23	1.8%
7	United Kingdom	22	1.7%
8	Slovakia	21	1.6%
9	Ireland	20	1.6%
10	Japan	18	1.4%
11	France	16	1.2%
12	Canada	16	1.2%
13	Australia	14	1.1%
14	Singapore	13	1%
15	Norway	12	0.9%
16	Korea, Republic of	9	0.7%
17	Poland	9	0.7%
18	Portugal	9	0.7%
19	Cyprus	8	0.6%
20	Spain	8	0.6%
21	Israel	7	0.5%
22	Italy	6	0.5%
23	Sweden	6	0.5%
24	Romania	5	0.4%
25	Bahrain	5	0.4%
26	Belgium	5	0.4%
27	Saudi Arabia	4	0.3%
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	0.2%
39	Ecuador	2	0.2%
40	Brazil	2	0.2%
41	Lithuania	2	0.2%
42	Thailand	2	0.2%
43	Turkey	2	0.2%
44	Uganda	2	0.2%
45	Philippines	2	0.2%
46	South Africa	2	0.2%
47	Taiwan	1	0.1%
48	Malta	1	0.1%
49	Latvia	1	0.1%
50	Bulgaria	1	0.1%
51	Argentina	1	0.1%
52	Colombia	1	0.1%
53	Egypt	1	0.1%
54	Georgia	1	0.1%
55	Greece	1	0.1%