Rank	Countries/Territories	Count	Percent
1	United States	517	32.6%
2	China	375	23.7%
3	Germany	99	6.2%
4	United Kingdom	96	6.1%
5	India	91	5.7%
6	Taiwan	49	3.1%
7	Japan	46	2.9%
8	France	36	2.3%
9	Korea, Republic of	28	1.8%
10	Russia	27	1.7%
11	Canada	21	1.3%
12	Singapore	18	1.1%
13	Latvia	18	1.1%
14	Ireland	17	1.1%
15	Netherlands	13	0.8%
16	Hong Kong	13	0.8%
17	Australia	13	0.8%
18	Argentina	12	0.8%
19	Iran, Islamic Republic of	11	0.7%
20	Indonesia	8	0.5%
21	Spain	8	0.5%
22	Sweden	8	0.5%
23	Italy	8	0.5%
24	Romania	7	0.4%
25	Palestine, State of	6	0.4%
26	Brazil	4	0.3%
27	Thailand	4	0.3%
28	Turkey	4	0.3%
29	Ukraine	3	0.2%
30	Cyprus	3	0.2%
31	Egypt	3	0.2%
32	Saudi Arabia	3	0.2%
33	Syrian Arab Republic	2	0.1%
34	Israel	2	0.1%
35	Malaysia	2	0.1%
36	Czech Republic	2	0.1%
37	Denmark	2	0.1%
38	Austria	1	0.1%
39	Hungary	1	0.1%
40	Mongolia	1	0.1%
41	Nepal	1	0.1%
42	Norway	1	0.1%
43	Serbia	1	0.1%