Rank	Countries/Territories	Count	Percent
1	United States	455	37.5%
2	China	299	24.7%
3	Germany	94	7.8%
4	Netherlands	32	2.6%
5	France	26	2.1%
6	Brazil	26	2.1%
7	South Africa	26	2.1%
8	Singapore	23	1.9%
9	Australia	20	1.7%
10	India	19	1.6%
11	Canada	17	1.4%
12	Turkey	15	1.2%
13	Japan	14	1.2%
14	Belgium	13	1.1%
15	United Kingdom	11	0.9%
16	Argentina	10	0.8%
17	Italy	10	0.8%
18	Norway	7	0.6%
19	Nigeria	6	0.5%
20	Latvia	6	0.5%
21	Ireland	6	0.5%
22	Cyprus	6	0.5%
23	Korea, Republic of	5	0.4%
24	Serbia	5	0.4%
25	Switzerland	5	0.4%
26	Spain	4	0.3%
27	Thailand	4	0.3%
28	Ukraine	4	0.3%
29	Iran, Islamic Republic of	4	0.3%
30	Denmark	4	0.3%
31	Ghana	4	0.3%
32	Egypt	3	0.2%
33	Sweden	3	0.2%
34	Slovenia	2	0.2%
35	Russia	2	0.2%
36	Viet Nam	2	0.2%
37	Estonia	2	0.2%
38	Guatemala	2	0.2%
39	Hong Kong	2	0.2%
40	Austria	2	0.2%
41	Colombia	2	0.2%
42	Mexico	2	0.2%
43	Papua New Guinea	2	0.2%
44	Portugal	1	0.1%
45	Romania	1	0.1%
46	Kenya	1	0.1%
47	Chile	1	0.1%
48	Rwanda	1	0.1%
49	Taiwan	1	0.1%