Rank	Countries/Territories	Count	Percent
1	United States	425	39%
2	China	198	18.2%
3	Germany	74	6.8%
4	Japan	40	3.7%
5	Korea, Republic of	36	3.3%
6	Netherlands	29	2.7%
7	India	26	2.4%
8	Canada	25	2.3%
9	Mexico	22	2%
10	Singapore	16	1.5%
11	South Africa	16	1.5%
12	Italy	14	1.3%
13	Brazil	13	1.2%
14	Ukraine	13	1.2%
15	Turkey	11	1%
16	United Kingdom	9	0.8%
17	Kazakhstan	9	0.8%
18	Greece	8	0.7%
19	Spain	8	0.7%
20	Iran, Islamic Republic of	7	0.6%
21	Bulgaria	6	0.6%
22	Russia	6	0.6%
23	Taiwan	5	0.5%
24	Ireland	5	0.5%
25	Moldova, Republic of	5	0.5%
26	Pakistan	5	0.5%
27	Peru	4	0.4%
28	Portugal	4	0.4%
29	Cyprus	4	0.4%
30	Argentina	4	0.4%
31	Thailand	4	0.4%
32	Switzerland	3	0.3%
33	Colombia	3	0.3%
34	France	3	0.3%
35	Romania	3	0.3%
36	Myanmar	3	0.3%
37	Hong Kong	3	0.3%
38	Nepal	2	0.2%
39	Lithuania	2	0.2%
40	Georgia	2	0.2%
41	Honduras	2	0.2%
42	Belgium	2	0.2%
43	Australia	2	0.2%
44	Norway	2	0.2%
45	Sudan	2	0.2%
46	Austria	1	0.1%
47	Israel	1	0.1%
48	Indonesia	1	0.1%
49	Malaysia	1	0.1%
50	Nigeria	1	0.1%