Rank	Countries/Territories	Count	Percent
1	United States	535	44.3%
2	China	267	22.1%
3	Germany	132	10.9%
4	France	32	2.6%
5	India	28	2.3%
6	Singapore	21	1.7%
7	Japan	20	1.7%
8	Canada	13	1.1%
9	Russia	12	1%
10	Latvia	11	0.9%
11	Korea, Republic of	9	0.7%
12	Hong Kong	9	0.7%
13	Ukraine	8	0.7%
14	Taiwan	7	0.6%
15	Cyprus	7	0.6%
16	Netherlands	7	0.6%
17	Pakistan	7	0.6%
18	Indonesia	6	0.5%
19	Argentina	6	0.5%
20	Venezuela, Bolivarian Republic of	5	0.4%
21	Sweden	4	0.3%
22	United Kingdom	4	0.3%
23	Australia	4	0.3%
24	Brazil	4	0.3%
25	Greece	4	0.3%
26	Egypt	3	0.2%
27	Bulgaria	3	0.2%
28	Bosnia and Herzegovina	3	0.2%
29	Ireland	3	0.2%
30	Italy	3	0.2%
31	Mongolia	2	0.2%
32	Portugal	2	0.2%
33	Iran, Islamic Republic of	2	0.2%
34	Malaysia	2	0.2%
35	Denmark	2	0.2%
36	Ghana	2	0.2%
37	Thailand	2	0.2%
38	Turkey	2	0.2%
39	Saudi Arabia	2	0.2%
40	South Africa	2	0.2%
41	Spain	2	0.2%
42	Viet Nam	1	0.1%
43	Finland	1	0.1%
44	Ecuador	1	0.1%
45	Colombia	1	0.1%
46	Mexico	1	0.1%
47	Moldova, Republic of	1	0.1%
48	Israel	1	0.1%
49	Romania	1	0.1%
50	Philippines	1	0.1%