Rank	Countries/Territories	Count	Percent
1	United States	439	35.7%
2	China	266	21.6%
3	Germany	84	6.8%
4	Japan	72	5.9%
5	India	46	3.7%
6		33	2.7%
7	Canada	31	2.5%
8	France	30	2.4%
9	Netherlands	18	1.5%
10	Italy	17	1.4%
11	Australia	16	1.3%
12	Russia	16	1.3%
13	Iran, Islamic Republic of	10	0.8%
14	Hong Kong	9	0.7%
15	Korea, Republic of	9	0.7%
16	Romania	9	0.7%
17	United Kingdom	9	0.7%
18	Thailand	8	0.7%
19	Singapore	8	0.7%
20	Spain	7	0.6%
21	Ireland	7	0.6%
22	Turkey	6	0.5%
23	Sweden	5	0.4%
24	Colombia	5	0.4%
25	Cyprus	5	0.4%
26	Egypt	5	0.4%
27	Costa Rica	4	0.3%
28	Mongolia	4	0.3%
29	Viet Nam	4	0.3%
30	Slovakia	3	0.2%
31	Saudi Arabia	3	0.2%
32	Pakistan	3	0.2%
33	Malaysia	3	0.2%
34	Israel	3	0.2%
35	Austria	3	0.2%
36	Belgium	3	0.2%
37	Brazil	3	0.2%
38	Burkina Faso	2	0.2%
39	Argentina	2	0.2%
40	Mexico	2	0.2%
41	Portugal	2	0.2%
42	Qatar	2	0.2%
43	Syrian Arab Republic	2	0.2%
44	Taiwan	1	0.1%
45	Switzerland	1	0.1%
46	Slovenia	1	0.1%
47	Yemen	1	0.1%
48	Poland	1	0.1%
49	Myanmar	1	0.1%
50	New Zealand	1	0.1%
51	Norway	1	0.1%
52	Bangladesh	1	0.1%
53	Bulgaria	1	0.1%
54	Estonia	1	0.1%