Rank	Countries/Territories	Count	Percent
1	United States	344	45.9%
2	China	134	17.9%
3	Germany	82	10.9%
4	Pakistan	41	5.5%
5	France	26	3.5%
6	United Kingdom	13	1.7%
7	Italy	13	1.7%
8	Netherlands	11	1.5%
9	Japan	10	1.3%
10	Brazil	10	1.3%
11	Spain	8	1.1%
12	Romania	5	0.7%
13	Indonesia	5	0.7%
14	Australia	4	0.5%
15	Turkey	4	0.5%
16	Singapore	3	0.4%
17	Russia	3	0.4%
18	Greece	3	0.4%
19	Korea, Republic of	3	0.4%
20	United Arab Emirates	3	0.4%
21	Ireland	2	0.3%
22	Bulgaria	2	0.3%
23	Cyprus	2	0.3%
24	Saudi Arabia	2	0.3%
25	Slovakia	2	0.3%
26	Poland	2	0.3%
27	Qatar	1	0.1%
28	Ukraine	1	0.1%
29	Sweden	1	0.1%
30	Serbia	1	0.1%
31	Nigeria	1	0.1%
32	Philippines	1	0.1%
33	Egypt	1	0.1%
34	Colombia	1	0.1%
35	Argentina	1	0.1%
36	India	1	0.1%
37	Latvia	1	0.1%
38	Lithuania	1	0.1%
39	Mauritius	1	0.1%