Rank	Countries/Territories	Count	Percent
1	United States	336	39.2%
2	China	255	29.8%
3	Germany	104	12.1%
4	Pakistan	16	1.9%
5	Hong Kong	12	1.4%
6	United Kingdom	12	1.4%
7	Slovakia	11	1.3%
8	Sweden	11	1.3%
9	Ukraine	10	1.2%
10	Netherlands	10	1.2%
11	Korea, Republic of	10	1.2%
12	Singapore	9	1.1%
13	Bulgaria	6	0.7%
14	Australia	4	0.5%
15	Lebanon	4	0.5%
16	Iran, Islamic Republic of	4	0.5%
17	Ireland	4	0.5%
18	Italy	3	0.4%
19	Japan	3	0.4%
20	Taiwan	3	0.4%
21	Belgium	3	0.4%
22	Brazil	3	0.4%
23	Cyprus	3	0.4%
24	India	3	0.4%
25	Hungary	2	0.2%
26	Canada	2	0.2%
27	Finland	2	0.2%
28	France	2	0.2%
29	Denmark	2	0.2%
30	Saudi Arabia	2	0.2%
31	South Africa	1	0.1%
32	Mongolia	1	0.1%
33	Romania	1	0.1%
34	Egypt	1	0.1%
35	Bangladesh	1	0.1%
36	Argentina	1	0.1%