Rank	Countries/Territories	Count	Percent
1	United States	488	41.7%
2	China	357	30.5%
3	Germany	105	9%
4	Japan	51	4.4%
5	Iran, Islamic Republic of	16	1.4%
6	South Africa	14	1.2%
7	India	13	1.1%
8	Canada	12	1%
9	United Kingdom	12	1%
10	Netherlands	12	1%
11	Brazil	10	0.9%
12	Indonesia	10	0.9%
13	Cyprus	8	0.7%
14	Ecuador	8	0.7%
15	Singapore	8	0.7%
16	Poland	6	0.5%
17	France	5	0.4%
18	Switzerland	4	0.3%
19	Ukraine	3	0.3%
20	Mexico	3	0.3%
21	Lithuania	3	0.3%
22	Australia	3	0.3%
23	Hong Kong	3	0.3%
24	Italy	2	0.2%
25	Bangladesh	2	0.2%
26	Malaysia	2	0.2%
27	Qatar	2	0.2%
28	Taiwan	2	0.2%
29	Sweden	2	0.2%
30	Spain	1	0.1%
31	Russia	1	0.1%
32	Ethiopia	1	0.1%
33	Korea, Republic of	1	0.1%