Rank	Countries/Territories	Count	Percent
1	United States	560	36.9%
2	China	481	31.7%
3	Germany	133	8.8%
4	Russia	42	2.8%
5	France	41	2.7%
6	Netherlands	25	1.6%
7	Thailand	24	1.6%
8	United Kingdom	23	1.5%
9	Taiwan	17	1.1%
10	Canada	17	1.1%
11	Singapore	16	1.1%
12	Japan	15	1%
13	South Africa	12	0.8%
14	Korea, Republic of	10	0.7%
15	India	10	0.7%
16	Australia	8	0.5%
17	Ireland	8	0.5%
18	Pakistan	7	0.5%
19	Indonesia	6	0.4%
20	Nigeria	5	0.3%
21	Mexico	4	0.3%
22	Hong Kong	4	0.3%
23	Belgium	4	0.3%
24	Serbia	4	0.3%
25	Turkey	3	0.2%
26	Romania	3	0.2%
27	Cameroon	3	0.2%
28	Argentina	2	0.1%
29	Austria	2	0.1%
30	Belarus	2	0.1%
31	Iran, Islamic Republic of	2	0.1%
32	Egypt	2	0.1%
33	Cyprus	2	0.1%
34	Nicaragua	2	0.1%
35	Kenya	2	0.1%
36	Malaysia	2	0.1%
37	Mauritius	2	0.1%
38	Viet Nam	2	0.1%
39	Tanzania, United Republic of	2	0.1%
40	Ukraine	1	0.1%
41	Uzbekistan	1	0.1%
42	Latvia	1	0.1%
43	Israel	1	0.1%
44	Nepal	1	0.1%
45	Philippines	1	0.1%
46	Ecuador	1	0.1%
47	Brazil	1	0.1%
48	Bulgaria	1	0.1%
49	Colombia	1	0.1%