Rank	Countries/Territories	Count	Percent
1	United States	597	47%
2	China	244	19.2%
3	Germany	102	8%
4	India	48	3.8%
5	France	30	2.4%
6	Nigeria	22	1.7%
7	Japan	20	1.6%
8	Canada	19	1.5%
9	Australia	19	1.5%
10	Korea, Republic of	18	1.4%
11	Netherlands	16	1.3%
12	United Kingdom	13	1%
13	Singapore	12	0.9%
14	Norway	11	0.9%
15	Hong Kong	7	0.6%
16	Egypt	6	0.5%
17	Greece	6	0.5%
18	Cyprus	6	0.5%
19	Ireland	6	0.5%
20	Lithuania	5	0.4%
21	Mexico	5	0.4%
22	Poland	5	0.4%
23	Romania	4	0.3%
24	Spain	4	0.3%
25	Taiwan	4	0.3%
26	Ukraine	4	0.3%
27	Russia	3	0.2%
28	Saudi Arabia	3	0.2%
29	Iran, Islamic Republic of	3	0.2%
30	Mongolia	2	0.2%
31	Nepal	2	0.2%
32	Malaysia	2	0.2%
33	Czech Republic	2	0.2%
34	Denmark	2	0.2%
35	Turkey	2	0.2%
36	Sweden	2	0.2%
37	Switzerland	1	0.1%
38	South Africa	1	0.1%
39	Thailand	1	0.1%
40	Viet Nam	1	0.1%
41	Colombia	1	0.1%
42	Brazil	1	0.1%
43	Bulgaria	1	0.1%
44	Albania	1	0.1%
45	Argentina	1	0.1%
46	Indonesia	1	0.1%
47	Lebanon	1	0.1%
48	Portugal	1	0.1%
49	Pakistan	1	0.1%
50	Peru	1	0.1%