Rank	Countries/Territories	Count	Percent
1	United States	328	38.1%
2	China	210	24.4%
3	Germany	86	10%
4	India	35	4.1%
5	Netherlands	26	3%
6	Japan	22	2.6%
7	Ireland	12	1.4%
8	France	12	1.4%
9	Canada	10	1.2%
10	Russia	10	1.2%
11	Australia	8	0.9%
12	Egypt	7	0.8%
13	Mexico	7	0.8%
14	United Kingdom	7	0.8%
15	South Africa	6	0.7%
16	Korea, Republic of	6	0.7%
17	Indonesia	6	0.7%
18	Italy	5	0.6%
19	Pakistan	4	0.5%
20	Cyprus	4	0.5%
21	Argentina	3	0.3%
22	Colombia	3	0.3%
23	Nigeria	3	0.3%
24	Spain	3	0.3%
25	Singapore	3	0.3%
26	Malta	2	0.2%
27	Switzerland	2	0.2%
28	Thailand	2	0.2%
29	Turkey	2	0.2%
30	Peru	2	0.2%
31	Latvia	2	0.2%
32	Kenya	2	0.2%
33	Iran, Islamic Republic of	2	0.2%
34	Georgia	2	0.2%
35	Guatemala	2	0.2%
36	Honduras	1	0.1%
37	Hong Kong	1	0.1%
38	Brazil	1	0.1%
39	Chile	1	0.1%
40	Lebanon	1	0.1%
41	Israel	1	0.1%
42	Poland	1	0.1%
43	Norway	1	0.1%
44	Oman	1	0.1%
45	Nepal	1	0.1%
46	New Zealand	1	0.1%
47	Ukraine	1	0.1%
48	Tajikistan	1	0.1%
49	Serbia	1	0.1%