Rank	Countries/Territories	Count	Percent
1	United States	490	38.1%
2	China	291	22.6%
3	Germany	129	10%
4	Egypt	51	4%
5	Canada	35	2.7%
6	United Kingdom	33	2.6%
7	Netherlands	24	1.9%
8	Israel	18	1.4%
9	India	18	1.4%
10	Australia	18	1.4%
11	Ireland	17	1.3%
12	Japan	16	1.2%
13	Korea, Republic of	12	0.9%
14	Singapore	11	0.9%
15	Romania	10	0.8%
16	Hong Kong	7	0.5%
17	Cyprus	7	0.5%
18	Belgium	6	0.5%
19	Brazil	6	0.5%
20	Colombia	5	0.4%
21	Pakistan	5	0.4%
22	Italy	5	0.4%
23	Puerto Rico	5	0.4%
24	Serbia	4	0.3%
25	Argentina	4	0.3%
26	Indonesia	4	0.3%
27	Iran, Islamic Republic of	4	0.3%
28	Chile	4	0.3%
29	Finland	4	0.3%
30	France	4	0.3%
31	Russia	3	0.2%
32	Sweden	3	0.2%
33	Syrian Arab Republic	3	0.2%
34	Turkey	3	0.2%
35	South Africa	3	0.2%
36	Spain	3	0.2%
37	Sri Lanka	2	0.2%
38	Poland	2	0.2%
39	Portugal	2	0.2%
40	Malaysia	2	0.2%
41	Mexico	2	0.2%
42	Montenegro	2	0.2%
43	Denmark	2	0.2%
44	Ecuador	2	0.2%
45	Czech Republic	1	0.1%
46	Croatia	1	0.1%
47	Bulgaria	1	0.1%
48	Norway	1	0.1%
49	Viet Nam	1	0.1%