Rank	Countries/Territories	Count	Percent
1	United States	139	27.9%
2	China	127	25.5%
3	Russia	30	6%
4	India	19	3.8%
5	Singapore	16	3.2%
6	United Kingdom	15	3%
7	Germany	14	2.8%
8	Italy	12	2.4%
9	Viet Nam	12	2.4%
10	Japan	11	2.2%
11	Netherlands	10	2%
12	Australia	8	1.6%
13	Ireland	7	1.4%
14	Canada	7	1.4%
15	Taiwan	7	1.4%
16	Philippines	6	1.2%
17	Lithuania	4	0.8%
18	Korea, Republic of	3	0.6%
19	Saudi Arabia	3	0.6%
20	Thailand	3	0.6%
21	Turkey	3	0.6%
22	Spain	3	0.6%
23	Sweden	3	0.6%
24	Ukraine	2	0.4%
25	Zimbabwe	2	0.4%
26	Syrian Arab Republic	2	0.4%
27	Puerto Rico	2	0.4%
28	Montenegro	2	0.4%
29	Hong Kong	2	0.4%
30	Indonesia	2	0.4%
31	Bangladesh	2	0.4%
32	Belgium	2	0.4%
33	Algeria	2	0.4%
34	Albania	1	0.2%
35	Greece	1	0.2%
36	Egypt	1	0.2%
37	France	1	0.2%
38	Israel	1	0.2%
39	Kenya	1	0.2%
40	Nepal	1	0.2%
41	Nicaragua	1	0.2%
42	Norway	1	0.2%
43	Luxembourg	1	0.2%
44	Malaysia	1	0.2%
45	Mongolia	1	0.2%
46	Portugal	1	0.2%
47	South Africa	1	0.2%
48	Switzerland	1	0.2%
49	Sri Lanka	1	0.2%