Rank	Countries/Territories	Count	Percent
1	United States	561	34.9%
2	China	359	22.3%
3	Germany	152	9.5%
4	United Kingdom	56	3.5%
5	Japan	54	3.4%
6	Egypt	50	3.1%
7	India	42	2.6%
8	Saudi Arabia	28	1.7%
9	Romania	25	1.6%
10	Russia	19	1.2%
11	Mexico	18	1.1%
12	Korea, Republic of	17	1.1%
13	Canada	15	0.9%
14	Netherlands	14	0.9%
15	Singapore	13	0.8%
16	Algeria	11	0.7%
17	Australia	10	0.6%
18	Brazil	10	0.6%
19	Italy	10	0.6%
20	Turkey	10	0.6%
21	Portugal	9	0.6%
22	Iran, Islamic Republic of	8	0.5%
23	Morocco	8	0.5%
24		7	0.4%
25	Iraq	6	0.4%
26	Lebanon	6	0.4%
27	Argentina	6	0.4%
28	Hong Kong	6	0.4%
29	France	5	0.3%
30	Malaysia	5	0.3%
31	Switzerland	5	0.3%
32	Ukraine	4	0.2%
33	Spain	4	0.2%
34	Sweden	4	0.2%
35	Venezuela, Bolivarian Republic of	4	0.2%
36	Cyprus	4	0.2%
37	Chile	4	0.2%
38	Croatia	3	0.2%
39	Ireland	3	0.2%
40	Syrian Arab Republic	3	0.2%
41	Taiwan	3	0.2%
42	South Africa	2	0.1%
43	Peru	2	0.1%
44	Viet Nam	2	0.1%
45	Indonesia	2	0.1%
46	Pakistan	2	0.1%
47	Bulgaria	2	0.1%
48	Austria	2	0.1%
49	Belgium	1	0.1%
50	Denmark	1	0.1%
51	Ecuador	1	0.1%
52	Palestine, State of	1	0.1%
53	Nepal	1	0.1%
54	Montenegro	1	0.1%
55	Jordan	1	0.1%
56	Kenya	1	0.1%
57	Poland	1	0.1%
58	Serbia	1	0.1%
59	Thailand	1	0.1%
60	United Arab Emirates	1	0.1%