Rank	Countries/Territories	Count	Percent
1	United States	429	36.2%
2	China	399	33.7%
3	Japan	51	4.3%
4	Germany	50	4.2%
5	France	33	2.8%
6	India	24	2%
7	Spain	19	1.6%
8	Hong Kong	17	1.4%
9	Canada	17	1.4%
10	Netherlands	16	1.4%
11	Singapore	14	1.2%
12	Ireland	9	0.8%
13	Australia	9	0.8%
14	Indonesia	9	0.8%
15	Switzerland	9	0.8%
16	Russia	8	0.7%
17	Iran, Islamic Republic of	7	0.6%
18	Denmark	6	0.5%
19	Latvia	6	0.5%
20	Taiwan	6	0.5%
21	Mexico	5	0.4%
22	Portugal	4	0.3%
23	Brazil	4	0.3%
24	Cyprus	4	0.3%
25	Turkey	4	0.3%
26	Argentina	3	0.3%
27	Israel	3	0.3%
28	Korea, Republic of	3	0.3%
29	Lithuania	2	0.2%
30	Sri Lanka	2	0.2%
31	Belgium	2	0.2%
32	Egypt	2	0.2%
33	Greece	2	0.2%
34	Ukraine	2	0.2%
35	United Kingdom	1	0.1%
36	Austria	1	0.1%
37	Saudi Arabia	1	0.1%
38	Norway	1	0.1%
39	Mongolia	1	0.1%