Rank	Countries/Territories	Count	Percent
1	United States	264	37.3%
2	China	173	24.4%
3	Germany	82	11.6%
4	Netherlands	23	3.2%
5	United Kingdom	15	2.1%
6	Iran, Islamic Republic of	14	2%
7	Spain	14	2%
8	France	14	2%
9	Switzerland	12	1.7%
10	India	10	1.4%
11	Colombia	9	1.3%
12	Japan	8	1.1%
13	Canada	7	1%
14	Australia	5	0.7%
15	Cyprus	5	0.7%
16	Brazil	4	0.6%
17	Indonesia	4	0.6%
18	Egypt	4	0.6%
19	Ireland	4	0.6%
20	Lithuania	4	0.6%
21	Mexico	4	0.6%
22	Ghana	3	0.4%
23	Costa Rica	3	0.4%
24		2	0.3%
25	Malta	2	0.3%
26	Sweden	2	0.3%
27	Jordan	2	0.3%
28	Norway	2	0.3%
29	Viet Nam	2	0.3%
30	Paraguay	1	0.1%
31	Portugal	1	0.1%
32	Russia	1	0.1%
33	Singapore	1	0.1%
34	Slovenia	1	0.1%
35	South Africa	1	0.1%
36	Korea, Republic of	1	0.1%
37	Italy	1	0.1%
38	Denmark	1	0.1%
39	Greece	1	0.1%
40	Hong Kong	1	0.1%