Rank	Countries/Territories	Count	Percent
1	United States	333	36.5%
2	China	313	34.3%
3	Germany	65	7.1%
4	Japan	34	3.7%
5	France	28	3.1%
6	Indonesia	15	1.6%
7	Korea, Republic of	15	1.6%
8	Hungary	13	1.4%
9	United Kingdom	11	1.2%
10	India	10	1.1%
11	South Africa	9	1%
12	Ireland	7	0.8%
13	Iran, Islamic Republic of	7	0.8%
14	Australia	4	0.4%
15	Canada	4	0.4%
16	Netherlands	4	0.4%
17	Pakistan	4	0.4%
18	Malaysia	3	0.3%
19	Ukraine	3	0.3%
20	Philippines	3	0.3%
21	Iraq	3	0.3%
22	Ghana	2	0.2%
23	Argentina	2	0.2%
24	Georgia	2	0.2%
25	Saudi Arabia	2	0.2%
26	Singapore	2	0.2%
27	Turkey	2	0.2%
28	Peru	2	0.2%
29	Norway	1	0.1%
30	Namibia	1	0.1%
31	Lithuania	1	0.1%
32	Switzerland	1	0.1%
33	Taiwan	1	0.1%
34	Cyprus	1	0.1%
35	Czech Republic	1	0.1%
36	Brazil	1	0.1%
37	Kenya	1	0.1%
38	Uzbekistan	1	0.1%