Rank	Countries/Territories	Count	Percent
1	United States	555	41.8%
2	China	339	25.5%
3	Germany	126	9.5%
4	Russia	38	2.9%
5	France	27	2%
6	United Kingdom	22	1.7%
7	Japan	21	1.6%
8	Netherlands	21	1.6%
9	Canada	18	1.4%
10	Turkey	13	1%
11	Sweden	10	0.8%
12	Italy	10	0.8%
13	Korea, Republic of	10	0.8%
14	Australia	9	0.7%
15	India	9	0.7%
16	Brazil	8	0.6%
17	Singapore	8	0.6%
18	Argentina	7	0.5%
19	Ecuador	7	0.5%
20	Lithuania	7	0.5%
21	Iran, Islamic Republic of	6	0.5%
22	Cyprus	5	0.4%
23	Palestine, State of	5	0.4%
24	Indonesia	4	0.3%
25	Hong Kong	4	0.3%
26	Switzerland	4	0.3%
27	Spain	3	0.2%
28	Ireland	3	0.2%
29	Denmark	2	0.2%
30	Bulgaria	2	0.2%
31	Mauritius	2	0.2%
32	Mexico	2	0.2%
33	Jordan	2	0.2%
34	Ukraine	2	0.2%
35	United Arab Emirates	2	0.2%
36	Uruguay	2	0.2%
37	Vanuatu	1	0.1%
38	Thailand	1	0.1%
39	Malaysia	1	0.1%
40	Latvia	1	0.1%
41	Lebanon	1	0.1%
42	New Zealand	1	0.1%
43	Norway	1	0.1%
44	Panama	1	0.1%
45	Poland	1	0.1%
46	Qatar	1	0.1%
47	Romania	1	0.1%
48	Belgium	1	0.1%
49	Chile	1	0.1%