Rank	Countries/Territories	Count	Percent
1	United States	423	38%
2	China	188	16.9%
3	Germany	81	7.3%
4	United Kingdom	61	5.5%
5	Japan	42	3.8%
6	Australia	34	3.1%
7	Singapore	34	3.1%
8	Netherlands	27	2.4%
9	Spain	22	2%
10	France	17	1.5%
11	India	15	1.3%
12	Canada	12	1.1%
13	Norway	12	1.1%
14	Korea, Republic of	11	1%
15	Egypt	11	1%
16	Sweden	10	0.9%
17	Romania	8	0.7%
18	Lithuania	8	0.7%
19	Israel	6	0.5%
20	Finland	6	0.5%
21	Taiwan	6	0.5%
22	Turkey	5	0.4%
23	Saudi Arabia	5	0.4%
24	Brazil	5	0.4%
25	Bulgaria	5	0.4%
26	Colombia	4	0.4%
27	Ireland	4	0.4%
28	Hong Kong	4	0.4%
29	Indonesia	4	0.4%
30	Mexico	4	0.4%
31	Russia	3	0.3%
32	Iran, Islamic Republic of	3	0.3%
33	Hungary	3	0.3%
34	Jordan	3	0.3%
35	New Zealand	3	0.3%
36	Cyprus	3	0.3%
37	Denmark	3	0.3%
38	Honduras	3	0.3%
39	Czech Republic	2	0.2%
40	Belgium	2	0.2%
41	Kenya	2	0.2%
42	Philippines	2	0.2%
43	Poland	1	0.1%
44	Syrian Arab Republic	1	0.1%
45	Italy	1	0.1%
46	Malaysia	1	0.1%
47	Iraq	1	0.1%
48	Georgia	1	0.1%
49	Ecuador	1	0.1%