Rank	Countries/Territories	Count	Percent
1	United States	344	36.8%
2	China	180	19.3%
3	Germany	55	5.9%
4	Netherlands	32	3.4%
5	Canada	31	3.3%
6	United Kingdom	31	3.3%
7	India	30	3.2%
8	Ireland	29	3.1%
9	Japan	26	2.8%
10	Australia	17	1.8%
11	Russia	15	1.6%
12	France	14	1.5%
13	Romania	11	1.2%
14	Italy	9	1%
15	Hong Kong	8	0.9%
16	Sweden	8	0.9%
17	Switzerland	8	0.9%
18	Singapore	7	0.7%
19	Iraq	7	0.7%
20	Poland	7	0.7%
21	Philippines	6	0.6%
22	Taiwan	6	0.6%
23	Turkey	5	0.5%
24	Iran, Islamic Republic of	5	0.5%
25	Egypt	4	0.4%
26	Belgium	3	0.3%
27	Brazil	3	0.3%
28	Ghana	3	0.3%
29	Greece	2	0.2%
30	Cyprus	2	0.2%
31	Portugal	2	0.2%
32	Puerto Rico	2	0.2%
33	Nigeria	2	0.2%
34	Jamaica	2	0.2%
35	Korea, Republic of	2	0.2%
36	Tanzania, United Republic of	2	0.2%
37	Spain	2	0.2%
38	Saudi Arabia	1	0.1%
39	Lithuania	1	0.1%
40	Malaysia	1	0.1%
41	Mexico	1	0.1%
42	Morocco	1	0.1%
43	Kazakhstan	1	0.1%
44	Pakistan	1	0.1%
45	New Zealand	1	0.1%
46	Denmark	1	0.1%
47	Ethiopia	1	0.1%
48	Indonesia	1	0.1%
49	Israel	1	0.1%