Rank	Countries/Territories	Count	Percent
1	United States	937	47.2%
2	China	372	18.7%
3	Germany	151	7.6%
4	Korea, Republic of	120	6%
5	Canada	110	5.5%
6	Russia	47	2.4%
7	Japan	25	1.3%
8	Netherlands	22	1.1%
9	Latvia	19	1%
10	Ireland	17	0.9%
11	Australia	14	0.7%
12	Iran, Islamic Republic of	13	0.7%
13	India	12	0.6%
14	United Kingdom	11	0.6%
15	Singapore	11	0.6%
16	Morocco	10	0.5%
17	Brazil	9	0.5%
18	Hong Kong	8	0.4%
19	Portugal	7	0.4%
20	Italy	6	0.3%
21	France	6	0.3%
22	Cyprus	6	0.3%
23	Spain	6	0.3%
24	Sweden	5	0.3%
25	Taiwan	5	0.3%
26	Switzerland	3	0.2%
27	Ukraine	3	0.2%
28	Egypt	3	0.2%
29	Israel	3	0.2%
30	Peru	3	0.2%
31	Lithuania	2	0.1%
32	Malaysia	2	0.1%
33	Indonesia	2	0.1%
34	Chile	2	0.1%
35	Tunisia	2	0.1%
36	Turkey	2	0.1%
37	Sri Lanka	2	0.1%
38	Slovakia	2	0.1%
39	Greece	1	0.1%
40	Finland	1	0.1%
41	Argentina	1	0.1%
42	Austria	1	0.1%
43	Saudi Arabia	1	0.1%
44	New Zealand	1	0.1%
45	Norway	1	0.1%