Rank	Countries/Territories	Count	Percent
1	United States	610	38.5%
2	China	437	27.6%
3	Germany	120	7.6%
4	India	52	3.3%
5	Netherlands	42	2.6%
6	Canada	40	2.5%
7	Algeria	37	2.3%
8	Japan	29	1.8%
9	Korea, Republic of	19	1.2%
10	France	18	1.1%
11	Mexico	15	0.9%
12	Ireland	14	0.9%
13	Indonesia	12	0.8%
14	Brazil	12	0.8%
15	Singapore	12	0.8%
16	Australia	11	0.7%
17	Cyprus	11	0.7%
18	Iran, Islamic Republic of	9	0.6%
19	Egypt	8	0.5%
20	Spain	8	0.5%
21	United Kingdom	7	0.4%
22	Russia	6	0.4%
23	Argentina	6	0.4%
24	Malaysia	6	0.4%
25	Pakistan	4	0.3%
26	Turkey	4	0.3%
27	Nigeria	3	0.2%
28	Philippines	3	0.2%
29	Hungary	3	0.2%
30	New Zealand	2	0.1%
31	Poland	2	0.1%
32	Italy	2	0.1%
33	Ecuador	2	0.1%
34	Greece	2	0.1%
35	Hong Kong	2	0.1%
36	Ukraine	2	0.1%
37	Sweden	2	0.1%
38	Taiwan	2	0.1%
39	Thailand	1	0.1%
40	Ghana	1	0.1%
41	Bosnia and Herzegovina	1	0.1%
42	Czech Republic	1	0.1%
43	Central African Republic	1	0.1%
44	Chile	1	0.1%
45	Lebanon	1	0.1%
46	Kazakhstan	1	0.1%
47	Kenya	1	0.1%
48	Romania	1	0.1%