Rank	Countries/Territories	Count	Percent
1	United States	613	36.3%
2	China	383	22.6%
3	Germany	107	6.3%
4	Korea, Republic of	75	4.4%
5	India	73	4.3%
6	Japan	68	4%
7	Italy	66	3.9%
8	Russia	34	2%
9	Canada	26	1.5%
10	France	22	1.3%
11	Singapore	21	1.2%
12	Brazil	18	1.1%
13	Netherlands	17	1%
14	Romania	16	0.9%
15	Latvia	12	0.7%
16	Australia	11	0.7%
17	Thailand	10	0.6%
18	Libya	9	0.5%
19	Mexico	9	0.5%
20	Ireland	9	0.5%
21	Iran, Islamic Republic of	7	0.4%
22	Norway	7	0.4%
23	Belgium	7	0.4%
24	Czech Republic	7	0.4%
25	Hong Kong	7	0.4%
26	Taiwan	5	0.3%
27	Sweden	5	0.3%
28	Spain	4	0.2%
29	United Kingdom	4	0.2%
30	Turkey	3	0.2%
31	Ukraine	3	0.2%
32	Indonesia	3	0.2%
33	Algeria	3	0.2%
34	Morocco	3	0.2%
35	Iraq	3	0.2%
36	Israel	2	0.1%
37	Portugal	2	0.1%
38	Austria	2	0.1%
39	Cyprus	2	0.1%
40	Switzerland	2	0.1%
41	Slovakia	2	0.1%
42	Serbia	1	0.1%
43	Bangladesh	1	0.1%
44	Argentina	1	0.1%
45	Hungary	1	0.1%
46	Ecuador	1	0.1%
47	Egypt	1	0.1%
48	Pakistan	1	0.1%
49	Philippines	1	0.1%
50	Moldova, Republic of	1	0.1%