Rank	Countries/Territories	Count	Percent
1	United States	648	36%
2	China	486	27%
3	India	110	6.1%
4	Germany	95	5.3%
5	Japan	68	3.8%
6		60	3.3%
7	Argentina	45	2.5%
8	United Kingdom	22	1.2%
9	Italy	19	1.1%
10	Palestine, State of	17	0.9%
11	Brazil	16	0.9%
12	Netherlands	14	0.8%
13	Poland	14	0.8%
14	Australia	12	0.7%
15	Canada	11	0.6%
16	Hong Kong	10	0.6%
17	Korea, Republic of	10	0.6%
18	Mexico	9	0.5%
19	Ireland	9	0.5%
20	Russia	9	0.5%
21	Taiwan	8	0.4%
22	Iran, Islamic Republic of	8	0.4%
23	Spain	6	0.3%
24	Singapore	6	0.3%
25	Senegal	5	0.3%
26	Turkey	5	0.3%
27	Viet Nam	5	0.3%
28	Egypt	5	0.3%
29	Belgium	4	0.2%
30	France	4	0.2%
31	Indonesia	4	0.2%
32	Ukraine	4	0.2%
33	Sri Lanka	4	0.2%
34	Switzerland	3	0.2%
35	Saudi Arabia	3	0.2%
36	Mongolia	3	0.2%
37	Greece	3	0.2%
38	Colombia	3	0.2%
39	Azerbaijan	3	0.2%
40	Bangladesh	2	0.1%
41	Honduras	2	0.1%
42	Kuwait	2	0.1%
43	Lebanon	2	0.1%
44	Israel	2	0.1%
45	Jordan	2	0.1%
46	Portugal	2	0.1%
47	Romania	2	0.1%
48	Pakistan	2	0.1%
49	Sweden	2	0.1%
50	Thailand	2	0.1%
51	South Africa	1	0.1%
52	Morocco	1	0.1%
53	Norway	1	0.1%
54	Peru	1	0.1%
55	Hungary	1	0.1%
56	Finland	1	0.1%
57	Czech Republic	1	0.1%