Rank	Countries/Territories	Count	Percent
1	United States	471	42.3%
2	China	267	24%
3	Germany	78	7%
4		39	3.5%
5	India	28	2.5%
6	Brazil	20	1.8%
7	Russia	20	1.8%
8	Ireland	13	1.2%
9	Japan	13	1.2%
10	Latvia	13	1.2%
11	Korea, Republic of	12	1.1%
12	Australia	12	1.1%
13	Hong Kong	11	1%
14	Canada	10	0.9%
15	Norway	10	0.9%
16	Taiwan	9	0.8%
17	France	8	0.7%
18	United Kingdom	8	0.7%
19	Netherlands	8	0.7%
20	Czech Republic	7	0.6%
21	Singapore	5	0.4%
22	Spain	5	0.4%
23	Ukraine	5	0.4%
24	Switzerland	4	0.4%
25	Turkey	3	0.3%
26	Italy	3	0.3%
27	Indonesia	3	0.3%
28	Denmark	2	0.2%
29	Finland	2	0.2%
30	Belgium	2	0.2%
31	Chile	2	0.2%
32	Cyprus	2	0.2%
33	Argentina	2	0.2%
34	Mexico	2	0.2%
35	Kazakhstan	2	0.2%
36	Israel	2	0.2%
37	Pakistan	2	0.2%
38	Senegal	2	0.2%
39	Serbia	2	0.2%
40	Romania	1	0.1%
41	Kenya	1	0.1%
42	Mongolia	1	0.1%
43	Austria	1	0.1%
44	Iraq	1	0.1%