Rank	Countries/Territories	Count	Percent
1	United States	255	39.3%
2	China	184	28.4%
3	Germany	54	8.3%
4	France	26	4%
5	Japan	20	3.1%
6	Korea, Republic of	13	2%
7	Indonesia	12	1.8%
8	United Kingdom	11	1.7%
9	India	10	1.5%
10	Hungary	8	1.2%
11	Iran, Islamic Republic of	7	1.1%
12	Ireland	7	1.1%
13	South Africa	3	0.5%
14	Ukraine	3	0.5%
15	Malaysia	3	0.5%
16	Netherlands	3	0.5%
17	Pakistan	3	0.5%
18	Philippines	3	0.5%
19	Saudi Arabia	2	0.3%
20	Peru	2	0.3%
21	Turkey	2	0.3%
22	Georgia	2	0.3%
23	Ghana	2	0.3%
24	Argentina	2	0.3%
25	Brazil	1	0.2%
26	Canada	1	0.2%
27	Cyprus	1	0.2%
28	Czech Republic	1	0.2%
29	Iraq	1	0.2%
30	Lithuania	1	0.2%
31	Kenya	1	0.2%
32	Switzerland	1	0.2%
33	Uzbekistan	1	0.2%
34	Singapore	1	0.2%
35	Norway	1	0.2%
36	Namibia	1	0.2%