Rank	Countries/Territories	Count	Percent
1	United States	634	34.6%
2	China	608	33.1%
3	Germany	133	7.2%
4	France	113	6.2%
5	Sweden	55	3%
6	Russia	35	1.9%
7	Japan	33	1.8%
8	Ukraine	23	1.3%
9	Iran, Islamic Republic of	20	1.1%
10	Netherlands	18	1%
11	United Kingdom	14	0.8%
12	Singapore	12	0.7%
13	Cyprus	10	0.5%
14	Brazil	9	0.5%
15	Canada	9	0.5%
16	Hong Kong	8	0.4%
17	Romania	8	0.4%
18	Peru	7	0.4%
19	Korea, Republic of	7	0.4%
20	Australia	7	0.4%
21	Viet Nam	7	0.4%
22	Mexico	6	0.3%
23	Costa Rica	5	0.3%
24	Ecuador	5	0.3%
25	Jamaica	4	0.2%
26	Turkey	4	0.2%
27	Switzerland	4	0.2%
28	Portugal	3	0.2%
29	Norway	3	0.2%
30	India	3	0.2%
31	Iraq	2	0.1%
32	Egypt	2	0.1%
33	Finland	2	0.1%
34	Czech Republic	2	0.1%
35	Argentina	2	0.1%
36	Colombia	2	0.1%
37	Malaysia	2	0.1%
38	Mongolia	2	0.1%
39	Lebanon	2	0.1%
40	Taiwan	2	0.1%
41	Tunisia	1	0.1%
42	Spain	1	0.1%
43	Uzbekistan	1	0.1%
44	Luxembourg	1	0.1%
45	Nicaragua	1	0.1%
46	Poland	1	0.1%
47	Bangladesh	1	0.1%
48	Ireland	1	0.1%