Rank	Countries/Territories	Count	Percent
1	United States	455	27.7%
2	China	410	25%
3	Germany	134	8.2%
4	India	95	5.8%
5	Singapore	74	4.5%
6	United Kingdom	48	2.9%
7	Canada	48	2.9%
8	Spain	37	2.3%
9	Japan	33	2%
10	Australia	32	2%
11	Netherlands	27	1.6%
12	Portugal	23	1.4%
13	Taiwan	21	1.3%
14	France	20	1.2%
15	Ireland	19	1.2%
16	Greece	17	1%
17	Belgium	16	1%
18	Iran, Islamic Republic of	16	1%
19	Brazil	14	0.9%
20	Italy	10	0.6%
21	Turkey	9	0.5%
22	Colombia	8	0.5%
23	Cyprus	6	0.4%
24	Indonesia	6	0.4%
25	Malaysia	4	0.2%
26	Mexico	4	0.2%
27	Hong Kong	4	0.2%
28	Sweden	4	0.2%
29	Slovenia	4	0.2%
30	South Africa	3	0.2%
31	Poland	3	0.2%
32	Chile	3	0.2%
33	Ecuador	3	0.2%
34	Egypt	3	0.2%
35	Mauritius	3	0.2%
36	Norway	3	0.2%
37	Philippines	2	0.1%
38	Iraq	2	0.1%
39	Korea, Republic of	2	0.1%
40	El Salvador	2	0.1%
41	Czech Republic	2	0.1%
42	Russia	2	0.1%
43	Slovakia	1	0.1%
44	Ukraine	1	0.1%
45	Thailand	1	0.1%
46	Denmark	1	0.1%
47	Bulgaria	1	0.1%
48	Azerbaijan	1	0.1%
49	Argentina	1	0.1%
50	Romania	1	0.1%
51	Mongolia	1	0.1%