Rank	Countries/Territories	Count	Percent
1	United States	601	31.4%
2	China	592	30.9%
3	Germany	124	6.5%
4	Japan	104	5.4%
5	France	53	2.8%
6	India	50	2.6%
7	Ireland	44	2.3%
8	Russia	44	2.3%
9	Sweden	41	2.1%
10	Canada	32	1.7%
11	Korea, Republic of	30	1.6%
12	Netherlands	25	1.3%
13	United Kingdom	21	1.1%
14	Singapore	17	0.9%
15	Australia	16	0.8%
16	Indonesia	12	0.6%
17	Cyprus	10	0.5%
18	Spain	9	0.5%
19	Portugal	8	0.4%
20	Poland	7	0.4%
21	Chile	7	0.4%
22	Taiwan	7	0.4%
23	Denmark	5	0.3%
24	Hong Kong	5	0.3%
25	Nigeria	5	0.3%
26	Norway	4	0.2%
27	Latvia	4	0.2%
28	Iran, Islamic Republic of	4	0.2%
29	Italy	4	0.2%
30	Bangladesh	3	0.2%
31	Romania	3	0.2%
32	Mongolia	3	0.2%
33	Thailand	3	0.2%
34	Turkey	3	0.2%
35	Ukraine	2	0.1%
36	Nepal	2	0.1%
37	Lithuania	2	0.1%
38	Malaysia	2	0.1%
39	Pakistan	2	0.1%
40	Mexico	1	0.1%
41	Slovenia	1	0.1%
42	Brazil	1	0.1%
43	Austria	1	0.1%
44	Argentina	1	0.1%