Rank	Countries/Territories	Count	Percent
1	United States	620	36.7%
2	China	348	20.6%
3	Germany	176	10.4%
4	Canada	59	3.5%
5	Russia	38	2.2%
6	Singapore	35	2.1%
7	Japan	33	2%
8	Iran, Islamic Republic of	33	2%
9	France	30	1.8%
10	India	24	1.4%
11	Australia	22	1.3%
12	Hong Kong	19	1.1%
13	United Kingdom	19	1.1%
14	Netherlands	17	1%
15	Pakistan	17	1%
16	Italy	15	0.9%
17	Poland	14	0.8%
18	Korea, Republic of	13	0.8%
19	Belgium	12	0.7%
20	Brazil	12	0.7%
21	Cyprus	12	0.7%
22	Viet Nam	11	0.7%
23	Turkey	11	0.7%
24	South Africa	9	0.5%
25	Romania	9	0.5%
26	Mexico	8	0.5%
27	Switzerland	8	0.5%
28	New Zealand	7	0.4%
29	Egypt	6	0.4%
30	Iraq	6	0.4%
31	Spain	6	0.4%
32	Taiwan	4	0.2%
33	Thailand	4	0.2%
34	Ukraine	3	0.2%
35	Israel	3	0.2%
36	Indonesia	3	0.2%
37	Czech Republic	3	0.2%
38	Malaysia	3	0.2%
39	Slovenia	2	0.1%
40	Saudi Arabia	2	0.1%
41	Argentina	2	0.1%
42	Austria	2	0.1%
43	Tunisia	2	0.1%
44	Syrian Arab Republic	2	0.1%
45	Uganda	1	0.1%
46	Georgia	1	0.1%
47	Portugal	1	0.1%
48	Nigeria	1	0.1%
49	Philippines	1	0.1%