Rank	Countries/Territories	Count	Percent
1	United States	559	45.4%
2	China	305	24.8%
3	Germany	120	9.7%
4	Russia	38	3.1%
5	India	23	1.9%
6	Japan	22	1.8%
7	Canada	20	1.6%
8	United Kingdom	11	0.9%
9	Singapore	10	0.8%
10	Taiwan	10	0.8%
11	Hong Kong	9	0.7%
12	France	8	0.6%
13	Kazakhstan	8	0.6%
14	Poland	7	0.6%
15	Australia	7	0.6%
16	Thailand	6	0.5%
17	Spain	5	0.4%
18	Netherlands	5	0.4%
19	Croatia	5	0.4%
20	Italy	5	0.4%
21	Cyprus	4	0.3%
22	Malaysia	4	0.3%
23	Viet Nam	4	0.3%
24	Uruguay	3	0.2%
25	Turkey	3	0.2%
26	Iran, Islamic Republic of	3	0.2%
27	Ireland	3	0.2%
28	Greece	3	0.2%
29	Hungary	2	0.2%
30	Uganda	2	0.2%
31	South Africa	2	0.2%
32	Korea, Republic of	2	0.2%
33	New Zealand	2	0.2%
34	Switzerland	2	0.2%
35	Norway	1	0.1%
36	Portugal	1	0.1%
37	Romania	1	0.1%
38	Mauritius	1	0.1%
39	Mexico	1	0.1%
40	Sweden	1	0.1%
41	Czech Republic	1	0.1%
42	Belgium	1	0.1%
43	Chile	1	0.1%