Rank	Countries/Territories	Count	Percent
1	United States	532	39.2%
2	China	295	21.8%
3	Germany	105	7.7%
4	India	63	4.6%
5	Japan	62	4.6%
6	Italy	45	3.3%
7	France	33	2.4%
8	Turkey	26	1.9%
9	Canada	19	1.4%
10	United Kingdom	16	1.2%
11	Latvia	13	1%
12	Netherlands	13	1%
13	Spain	10	0.7%
14	Palestine, State of	9	0.7%
15	Ireland	9	0.7%
16	Qatar	8	0.6%
17	Korea, Republic of	8	0.6%
18	Singapore	7	0.5%
19	Iran, Islamic Republic of	7	0.5%
20	Mexico	6	0.4%
21	Taiwan	6	0.4%
22	Thailand	5	0.4%
23	Russia	5	0.4%
24	Hong Kong	5	0.4%
25	Brazil	5	0.4%
26	Sweden	4	0.3%
27	Morocco	4	0.3%
28	Malaysia	3	0.2%
29	South Africa	3	0.2%
30	Philippines	3	0.2%
31	Australia	3	0.2%
32	Belgium	3	0.2%
33	Cyprus	3	0.2%
34	Hungary	3	0.2%
35	Denmark	2	0.1%
36	Egypt	2	0.1%
37	Argentina	2	0.1%
38	Mauritius	2	0.1%
39	United Arab Emirates	2	0.1%
40	Nepal	1	0.1%
41	Norway	1	0.1%
42	Poland	1	0.1%
43	Switzerland	1	0.1%
44	Israel	1	0.1%