Rank	Countries/Territories	Count	Percent
1	United States	365	39.1%
2	China	279	29.9%
3	Germany	120	12.9%
4	France	24	2.6%
5	India	18	1.9%
6	Japan	15	1.6%
7	Russia	15	1.6%
8	Netherlands	10	1.1%
9	Australia	10	1.1%
10	Taiwan	9	1%
11	Korea, Republic of	8	0.9%
12	Nigeria	7	0.8%
13	Cyprus	5	0.5%
14	Canada	4	0.4%
15	Bangladesh	3	0.3%
16	Indonesia	3	0.3%
17	Ireland	3	0.3%
18	Thailand	3	0.3%
19	United Arab Emirates	3	0.3%
20	United Kingdom	3	0.3%
21	Serbia	2	0.2%
22	Romania	2	0.2%
23	Kenya	2	0.2%
24	Hungary	2	0.2%
25	Argentina	2	0.2%
26	Ecuador	1	0.1%
27	Belgium	1	0.1%
28	Austria	1	0.1%
29	Georgia	1	0.1%
30	Iran, Islamic Republic of	1	0.1%
31	Mauritius	1	0.1%
32	Palestine, State of	1	0.1%
33	Philippines	1	0.1%
34	Qatar	1	0.1%
35	Singapore	1	0.1%
36	South Africa	1	0.1%
37	Sri Lanka	1	0.1%
38	Sweden	1	0.1%
39	Switzerland	1	0.1%
40	Tunisia	1	0.1%
41	Zambia	1	0.1%