Rank	Countries/Territories	Count	Percent
1	United States	299	36.5%
2	China	216	26.3%
3	Germany	41	5%
4	Netherlands	33	4%
5	Bulgaria	22	2.7%
6	Japan	20	2.4%
7	India	16	2%
8	Italy	12	1.5%
9	France	11	1.3%
10	Iran, Islamic Republic of	10	1.2%
11	Turkey	10	1.2%
12	Kenya	9	1.1%
13	Australia	9	1.1%
14	Canada	8	1%
15	United Kingdom	8	1%
16	Russia	8	1%
17	Austria	6	0.7%
18	Cyprus	5	0.6%
19	Ireland	5	0.6%
20	Pakistan	5	0.6%
21	South Africa	5	0.6%
22	Singapore	4	0.5%
23	Switzerland	4	0.5%
24	Uganda	4	0.5%
25	Romania	4	0.5%
26	Greece	4	0.5%
27	Hong Kong	4	0.5%
28	Argentina	4	0.5%
29	Egypt	4	0.5%
30	New Zealand	3	0.4%
31	Israel	3	0.4%
32	Viet Nam	3	0.4%
33	Spain	2	0.2%
34	Norway	2	0.2%
35	Portugal	2	0.2%
36	Denmark	2	0.2%
37	Bangladesh	2	0.2%
38	Brazil	1	0.1%
39	Brunei Darussalam	1	0.1%
40	Ghana	1	0.1%
41	Indonesia	1	0.1%
42	Philippines	1	0.1%
43	Jordan	1	0.1%
44	Korea, Republic of	1	0.1%
45	Libya	1	0.1%
46	Malaysia	1	0.1%
47	Nepal	1	0.1%
48	Ukraine	1	0.1%