Rank	Countries/Territories	Count	Percent
1	United States	491	41.9%
2	China	279	23.8%
3	Germany	103	8.8%
4	France	42	3.6%
5	Netherlands	38	3.2%
6	India	34	2.9%
7	Canada	24	2%
8	Iran, Islamic Republic of	19	1.6%
9	Japan	18	1.5%
10	Russia	18	1.5%
11		16	1.4%
12	Switzerland	10	0.9%
13	Philippines	7	0.6%
14	Singapore	6	0.5%
15	Korea, Republic of	6	0.5%
16	Hong Kong	5	0.4%
17	Ireland	5	0.4%
18	Indonesia	5	0.4%
19	Australia	4	0.3%
20	Thailand	4	0.3%
21	United Kingdom	4	0.3%
22	Pakistan	3	0.3%
23	Peru	3	0.3%
24	Cyprus	3	0.3%
25	Brazil	2	0.2%
26	Austria	2	0.2%
27	Italy	2	0.2%
28	Lebanon	2	0.2%
29	Mauritius	2	0.2%
30	Saudi Arabia	2	0.2%
31	Ukraine	2	0.2%
32	Viet Nam	2	0.2%
33	Turkey	1	0.1%
34	Slovakia	1	0.1%
35	Sweden	1	0.1%
36	Norway	1	0.1%
37	Oman	1	0.1%
38	Georgia	1	0.1%
39	Ghana	1	0.1%
40	Bangladesh	1	0.1%