Rank	Countries/Territories	Count	Percent
1	United States	422	39%
2	China	237	21.9%
3	Germany	93	8.6%
4	Netherlands	29	2.7%
5	France	26	2.4%
6	Brazil	26	2.4%
7	Singapore	23	2.1%
8	Australia	20	1.9%
9	South Africa	18	1.7%
10	Turkey	15	1.4%
11	Belgium	13	1.2%
12	India	13	1.2%
13	Japan	13	1.2%
14	United Kingdom	11	1%
15	Argentina	10	0.9%
16	Canada	8	0.7%
17	Italy	8	0.7%
18	Ireland	6	0.6%
19	Nigeria	6	0.6%
20	Latvia	6	0.6%
21	Korea, Republic of	5	0.5%
22	Switzerland	5	0.5%
23	Serbia	5	0.5%
24	Thailand	4	0.4%
25	Spain	4	0.4%
26	Iran, Islamic Republic of	4	0.4%
27	Norway	4	0.4%
28	Ghana	4	0.4%
29	Cyprus	4	0.4%
30	Denmark	4	0.4%
31	Egypt	3	0.3%
32	Sweden	3	0.3%
33	Ukraine	3	0.3%
34	Viet Nam	2	0.2%
35	Slovenia	2	0.2%
36	Estonia	2	0.2%
37	Guatemala	2	0.2%
38	Hong Kong	2	0.2%
39	Colombia	2	0.2%
40	Austria	2	0.2%
41	Papua New Guinea	2	0.2%
42	Mexico	2	0.2%
43	Russia	2	0.2%
44	Rwanda	1	0.1%
45	Portugal	1	0.1%
46	Romania	1	0.1%
47	Kenya	1	0.1%
48	Chile	1	0.1%
49	Taiwan	1	0.1%