Rank	Countries/Territories	Count	Percent
1	United States	369	39.1%
2	China	168	17.8%
3	Germany	87	9.2%
4	India	57	6%
5	Kazakhstan	26	2.8%
6	Netherlands	24	2.5%
7	Japan	23	2.4%
8	Italy	21	2.2%
9	Spain	13	1.4%
10	Singapore	11	1.2%
11	Korea, Republic of	11	1.2%
12	Hong Kong	11	1.2%
13	United Kingdom	10	1.1%
14	Czech Republic	7	0.7%
15	Canada	7	0.7%
16	Australia	7	0.7%
17	Ireland	7	0.7%
18	Turkey	6	0.6%
19	Mongolia	6	0.6%
20	Romania	5	0.5%
21	France	5	0.5%
22	Moldova, Republic of	4	0.4%
23	Brazil	4	0.4%
24	Russia	4	0.4%
25	Portugal	3	0.3%
26	Egypt	3	0.3%
27	Cyprus	3	0.3%
28	Greece	3	0.3%
29	Pakistan	3	0.3%
30	Iran, Islamic Republic of	3	0.3%
31	Jamaica	2	0.2%
32	Malaysia	2	0.2%
33	Hungary	2	0.2%
34	Croatia	2	0.2%
35	Ethiopia	2	0.2%
36	Belgium	2	0.2%
37	Slovakia	2	0.2%
38	South Africa	2	0.2%
39	Switzerland	2	0.2%
40	Taiwan	2	0.2%
41	Uzbekistan	2	0.2%
42	Ukraine	1	0.1%
43	Syrian Arab Republic	1	0.1%
44	Senegal	1	0.1%
45	Bhutan	1	0.1%
46	Austria	1	0.1%
47	Costa Rica	1	0.1%
48	Lithuania	1	0.1%
49	Philippines	1	0.1%
50	Poland	1	0.1%
51	Indonesia	1	0.1%