Rank	Countries/Territories	Count	Percent
1	United States	395	33.2%
2	China	316	26.6%
3	Germany	85	7.2%
4	United Kingdom	60	5.1%
5	Australia	47	4%
6	India	37	3.1%
7	Iran, Islamic Republic of	30	2.5%
8	Japan	27	2.3%
9	France	27	2.3%
10	Poland	17	1.4%
11	Korea, Republic of	14	1.2%
12	Indonesia	12	1%
13	Canada	12	1%
14	Spain	11	0.9%
15	Sweden	11	0.9%
16	Ireland	9	0.8%
17	Netherlands	9	0.8%
18	Cyprus	8	0.7%
19	Italy	6	0.5%
20	Norway	6	0.5%
21	Ghana	5	0.4%
22	Taiwan	5	0.4%
23	Russia	4	0.3%
24	Singapore	3	0.3%
25	Malaysia	3	0.3%
26	Argentina	3	0.3%
27	Uganda	3	0.3%
28	Ukraine	2	0.2%
29	Turkey	2	0.2%
30	Iraq	2	0.2%
31	Morocco	2	0.2%
32	South Africa	2	0.2%
33	Saudi Arabia	2	0.2%
34	Oman	2	0.2%
35	Pakistan	1	0.1%
36	Portugal	1	0.1%
37	New Zealand	1	0.1%
38	Mexico	1	0.1%
39	Mongolia	1	0.1%
40	Bangladesh	1	0.1%
41	Belgium	1	0.1%
42	Czech Republic	1	0.1%
43	Ethiopia	1	0.1%