Rank	Countries/Territories	Count	Percent
1	United States	373	32.6%
2	China	329	28.7%
3	Japan	114	10%
4	Germany	77	6.7%
5	France	34	3%
6	Russia	24	2.1%
7	Netherlands	20	1.7%
8	United Kingdom	18	1.6%
9	Singapore	17	1.5%
10	Canada	16	1.4%
11	Indonesia	13	1.1%
12	Korea, Republic of	13	1.1%
13	Ireland	9	0.8%
14	Australia	9	0.8%
15	Brazil	7	0.6%
16	Cyprus	7	0.6%
17	Denmark	7	0.6%
18	India	6	0.5%
19	Portugal	6	0.5%
20	Taiwan	4	0.3%
21	Mexico	4	0.3%
22	Egypt	4	0.3%
23	Argentina	4	0.3%
24	Iran, Islamic Republic of	3	0.3%
25	Thailand	3	0.3%
26	Turkey	2	0.2%
27	Romania	2	0.2%
28	Saudi Arabia	2	0.2%
29	Nigeria	2	0.2%
30	Lithuania	2	0.2%
31	Italy	2	0.2%
32	Ghana	2	0.2%
33	Belgium	2	0.2%
34	Estonia	2	0.2%
35	Spain	2	0.2%
36	Sweden	1	0.1%
37	Hong Kong	1	0.1%
38	Jordan	1	0.1%
39	Ukraine	1	0.1%