Rank	Countries/Territories	Count	Percent
1	United States	496	41.6%
2	China	310	26%
3	Russia	74	6.2%
4	Germany	43	3.6%
5	Greece	31	2.6%
6	India	29	2.4%
7	Japan	22	1.8%
8	France	16	1.3%
9	Brazil	16	1.3%
10	Australia	14	1.2%
11	Canada	11	0.9%
12	Hong Kong	11	0.9%
13	Turkey	11	0.9%
14	Hungary	10	0.8%
15	Netherlands	10	0.8%
16	Mexico	10	0.8%
17	United Kingdom	9	0.8%
18	Italy	8	0.7%
19	Spain	7	0.6%
20	Ireland	6	0.5%
21	Korea, Republic of	5	0.4%
22	Taiwan	5	0.4%
23	Singapore	5	0.4%
24	Nepal	4	0.3%
25	Egypt	4	0.3%
26	Argentina	3	0.3%
27	Denmark	3	0.3%
28	Romania	3	0.3%
29	Ecuador	2	0.2%
30	Chile	2	0.2%
31	Ethiopia	2	0.2%
32	Iceland	1	0.1%
33	Austria	1	0.1%
34	Bangladesh	1	0.1%
35	Czech Republic	1	0.1%
36	Luxembourg	1	0.1%
37	Israel	1	0.1%
38	Oman	1	0.1%
39	Poland	1	0.1%
40	Portugal	1	0.1%
41	Ukraine	1	0.1%
42	Viet Nam	1	0.1%