Rank	Countries/Territories	Count	Percent
1	United States	820	37.5%
2	China	516	23.6%
3	Germany	221	10.1%
4	India	90	4.1%
5	France	52	2.4%
6	Korea, Republic of	52	2.4%
7	Netherlands	40	1.8%
8	Canada	38	1.7%
9	Japan	32	1.5%
10	United Kingdom	28	1.3%
11	Pakistan	25	1.1%
12	Russia	24	1.1%
13	Australia	18	0.8%
14	Singapore	17	0.8%
15	Egypt	16	0.7%
16	Indonesia	15	0.7%
17	Ireland	14	0.6%
18	Israel	12	0.5%
19	Malaysia	12	0.5%
20	Taiwan	12	0.5%
21	Mongolia	11	0.5%
22	Cyprus	11	0.5%
23	Iran, Islamic Republic of	8	0.4%
24	Senegal	8	0.4%
25	Hong Kong	7	0.3%
26	Nigeria	6	0.3%
27	Romania	6	0.3%
28	Turkey	6	0.3%
29	Ukraine	5	0.2%
30	Latvia	5	0.2%
31	Poland	4	0.2%
32	United Arab Emirates	4	0.2%
33	Thailand	4	0.2%
34	Spain	4	0.2%
35	Saudi Arabia	3	0.1%
36	Morocco	3	0.1%
37	Mexico	3	0.1%
38	Iraq	3	0.1%
39	Bangladesh	3	0.1%
40	Brazil	3	0.1%
41	Denmark	2	0.1%
42	Italy	2	0.1%
43	Nepal	2	0.1%
44	Lithuania	2	0.1%
45	Kuwait	2	0.1%
46	Sweden	2	0.1%
47	Tunisia	2	0.1%
48	Tanzania, United Republic of	1	0%
49	Slovakia	1	0%
50	Serbia	1	0%
51	Portugal	1	0%
52	Norway	1	0%
53	Peru	1	0%
54	Philippines	1	0%
55	Ghana	1	0%
56	Greece	1	0%