Rank	Countries/Territories	Count	Percent
1	United States	667	45.3%
2	China	306	20.8%
3	Germany	110	7.5%
4	India	68	4.6%
5	Korea, Republic of	38	2.6%
6	Netherlands	31	2.1%
7	France	24	1.6%
8	Japan	23	1.6%
9	United Kingdom	23	1.6%
10	Russia	18	1.2%
11	Canada	18	1.2%
12	Singapore	15	1%
13	Egypt	13	0.9%
14	Indonesia	11	0.7%
15	Taiwan	11	0.7%
16	Mongolia	10	0.7%
17	Pakistan	8	0.5%
18	Ireland	7	0.5%
19	Cyprus	7	0.5%
20	Nigeria	6	0.4%
21	Romania	5	0.3%
22	Australia	5	0.3%
23	Iran, Islamic Republic of	5	0.3%
24	Poland	4	0.3%
25	Hong Kong	4	0.3%
26	Mexico	3	0.2%
27	Morocco	3	0.2%
28	Thailand	3	0.2%
29	Tunisia	2	0.1%
30	Turkey	2	0.1%
31	Nepal	2	0.1%
32	Malaysia	2	0.1%
33	Sweden	2	0.1%
34	Israel	2	0.1%
35	Italy	2	0.1%
36	Kuwait	2	0.1%
37	Latvia	1	0.1%
38	Lithuania	1	0.1%
39	Ghana	1	0.1%
40	Greece	1	0.1%
41	Spain	1	0.1%
42	Portugal	1	0.1%
43	Saudi Arabia	1	0.1%
44	Serbia	1	0.1%
45	Norway	1	0.1%
46	Tanzania, United Republic of	1	0.1%