Rank	Countries/Territories	Count	Percent
1	United States	344	34.6%
2	Germany	136	13.7%
3	China	114	11.5%
4	India	102	10.3%
5	Netherlands	67	6.7%
6	Russia	24	2.4%
7	United Kingdom	22	2.2%
8	Japan	18	1.8%
9	Canada	16	1.6%
10	Ireland	15	1.5%
11	Korea, Republic of	15	1.5%
12	Uzbekistan	14	1.4%
13	Turkey	11	1.1%
14	Mexico	11	1.1%
15	Spain	9	0.9%
16	France	8	0.8%
17	Cyprus	6	0.6%
18	Iran, Islamic Republic of	5	0.5%
19	Malaysia	5	0.5%
20	Bulgaria	4	0.4%
21	Taiwan	4	0.4%
22	Australia	3	0.3%
23	Hungary	3	0.3%
24	Indonesia	3	0.3%
25	Kazakhstan	3	0.3%
26	Peru	3	0.3%
27	Portugal	2	0.2%
28	Macao	2	0.2%
29	Egypt	2	0.2%
30	Colombia	2	0.2%
31	Thailand	2	0.2%
32	Ukraine	2	0.2%
33	Pakistan	2	0.2%
34	Slovakia	2	0.2%
35	Sweden	1	0.1%
36	Switzerland	1	0.1%
37	Viet Nam	1	0.1%
38	Czech Republic	1	0.1%
39	Belgium	1	0.1%
40	Brazil	1	0.1%
41	Greece	1	0.1%
42	Italy	1	0.1%
43	Jordan	1	0.1%
44	Saudi Arabia	1	0.1%
45	Singapore	1	0.1%
46	Mongolia	1	0.1%
47	New Zealand	1	0.1%
48	Norway	1	0.1%