Rank	Countries/Territories	Count	Percent
1	United States	528	39.1%
2	China	321	23.8%
3	Germany	129	9.6%
4	United Kingdom	43	3.2%
5	Australia	37	2.7%
6	Japan	33	2.4%
7	France	30	2.2%
8	Canada	21	1.6%
9	Taiwan	21	1.6%
10	Portugal	18	1.3%
11	Singapore	18	1.3%
12	Netherlands	16	1.2%
13	Brazil	13	1%
14	Ireland	12	0.9%
15	India	11	0.8%
16	Spain	10	0.7%
17	Saudi Arabia	9	0.7%
18	Russia	8	0.6%
19	Romania	7	0.5%
20	Korea, Republic of	7	0.5%
21	Iran, Islamic Republic of	7	0.5%
22	Lithuania	6	0.4%
23	Morocco	6	0.4%
24	Malaysia	5	0.4%
25	Italy	4	0.3%
26	Hong Kong	4	0.3%
27	Argentina	4	0.3%
28	Cyprus	4	0.3%
29	Denmark	2	0.1%
30	Peru	2	0.1%
31	Ukraine	2	0.1%
32	Turkey	1	0.1%
33	New Zealand	1	0.1%
34	Mexico	1	0.1%
35	Latvia	1	0.1%
36	Sweden	1	0.1%
37	Switzerland	1	0.1%
38	South Africa	1	0.1%
39	Egypt	1	0.1%
40	Czech Republic	1	0.1%
41	Azerbaijan	1	0.1%
42	Belgium	1	0.1%