Rank	Countries/Territories	Count	Percent
1	United States	481	38.4%
2	China	369	29.4%
3	Germany	126	10.1%
4	Pakistan	47	3.8%
5	France	34	2.7%
6	Italy	17	1.4%
7	Netherlands	15	1.2%
8	United Kingdom	15	1.2%
9	Japan	13	1%
10	Australia	11	0.9%
11	Brazil	10	0.8%
12	Spain	8	0.6%
13	Romania	7	0.6%
14	Russia	7	0.6%
15	Ireland	7	0.6%
16	Canada	6	0.5%
17	Bangladesh	6	0.5%
18	Indonesia	5	0.4%
19	Turkey	5	0.4%
20	Singapore	4	0.3%
21	Korea, Republic of	4	0.3%
22	Cyprus	4	0.3%
23	Egypt	3	0.2%
24	Greece	3	0.2%
25	Chile	3	0.2%
26	Iran, Islamic Republic of	3	0.2%
27	Portugal	3	0.2%
28	United Arab Emirates	3	0.2%
29	Viet Nam	2	0.2%
30	Poland	2	0.2%
31	Switzerland	2	0.2%
32	Slovakia	2	0.2%
33	South Africa	2	0.2%
34	Saudi Arabia	2	0.2%
35	Nigeria	2	0.2%
36	Malaysia	2	0.2%
37	Bulgaria	2	0.2%
38	Austria	2	0.2%
39	Hong Kong	2	0.2%
40	India	2	0.2%
41	Colombia	1	0.1%
42	Argentina	1	0.1%
43	Mauritius	1	0.1%
44	Qatar	1	0.1%
45	Philippines	1	0.1%
46	Latvia	1	0.1%
47	Lithuania	1	0.1%
48	Serbia	1	0.1%
49	Sweden	1	0.1%
50	Ukraine	1	0.1%