Rank	Countries/Territories	Count	Percent
1	United States	478	34.7%
2	China	296	21.5%
3	Germany	147	10.7%
4	Japan	53	3.9%
5	United Kingdom	53	3.9%
6	Egypt	45	3.3%
7	India	29	2.1%
8	Romania	25	1.8%
9	Saudi Arabia	25	1.8%
10	Russia	19	1.4%
11	Mexico	16	1.2%
12	Canada	14	1%
13	Netherlands	13	0.9%
14	Singapore	13	0.9%
15	Algeria	11	0.8%
16	Brazil	10	0.7%
17	Turkey	10	0.7%
18	Morocco	8	0.6%
19	Italy	8	0.6%
20	Iran, Islamic Republic of	6	0.4%
21	Iraq	6	0.4%
22	Lebanon	6	0.4%
23	Argentina	6	0.4%
24	Australia	6	0.4%
25	Hong Kong	5	0.4%
26	Chile	4	0.3%
27	Korea, Republic of	4	0.3%
28	Ukraine	4	0.3%
29	Venezuela, Bolivarian Republic of	4	0.3%
30	Spain	4	0.3%
31	Sweden	4	0.3%
32	Switzerland	4	0.3%
33	Syrian Arab Republic	3	0.2%
34	Taiwan	3	0.2%
35	Ireland	3	0.2%
36	France	3	0.2%
37	Croatia	3	0.2%
38	Cyprus	3	0.2%
39	Bulgaria	2	0.1%
40	Malaysia	2	0.1%
41	Pakistan	2	0.1%
42	South Africa	2	0.1%
43	Peru	2	0.1%
44	Poland	1	0.1%
45	Serbia	1	0.1%
46	Thailand	1	0.1%
47	United Arab Emirates	1	0.1%
48	Palestine, State of	1	0.1%
49	Nepal	1	0.1%
50	Montenegro	1	0.1%
51	Indonesia	1	0.1%
52	Jordan	1	0.1%
53	Kenya	1	0.1%
54	Belgium	1	0.1%
55	Denmark	1	0.1%