Rank	Countries/Territories	Count	Percent
1	United States	559	33.1%
2	China	492	29.2%
3	Germany	152	9%
4	Netherlands	63	3.7%
5	Russia	51	3%
6	France	48	2.8%
7	Japan	38	2.3%
8	United Kingdom	36	2.1%
9	Canada	26	1.5%
10	Turkey	25	1.5%
11	Australia	24	1.4%
12	India	24	1.4%
13	Cyprus	11	0.7%
14	Singapore	11	0.7%
15	Belgium	10	0.6%
16	Poland	9	0.5%
17	Chile	8	0.5%
18	Ireland	8	0.5%
19	Iran, Islamic Republic of	7	0.4%
20	Ethiopia	6	0.4%
21	Hong Kong	5	0.3%
22	Brazil	5	0.3%
23	Austria	5	0.3%
24	Korea, Republic of	5	0.3%
25	Norway	5	0.3%
26	Bangladesh	4	0.2%
27	Argentina	4	0.2%
28	Portugal	4	0.2%
29	Romania	4	0.2%
30	Sweden	4	0.2%
31	Switzerland	4	0.2%
32	Taiwan	4	0.2%
33	Ukraine	2	0.1%
34	Bulgaria	2	0.1%
35	Egypt	2	0.1%
36	South Africa	2	0.1%
37	Spain	2	0.1%
38	New Zealand	2	0.1%
39	Malaysia	2	0.1%
40	Mexico	1	0.1%
41	Mongolia	1	0.1%
42	Latvia	1	0.1%
43	Pakistan	1	0.1%
44	Palestine, State of	1	0.1%
45	Philippines	1	0.1%
46	Iraq	1	0.1%
47	Indonesia	1	0.1%
48	Uganda	1	0.1%
49	Syrian Arab Republic	1	0.1%
50	Uzbekistan	1	0.1%
51	Viet Nam	1	0.1%