Rank	Countries/Territories	Count	Percent
1	United States	515	44.5%
2	China	394	34%
3	Germany	93	8%
4	Japan	29	2.5%
5	France	19	1.6%
6	Netherlands	14	1.2%
7	Korea, Republic of	11	0.9%
8	India	11	0.9%
9	United Kingdom	7	0.6%
10	Spain	7	0.6%
11	Singapore	6	0.5%
12	Australia	5	0.4%
13	Argentina	4	0.3%
14	Canada	4	0.3%
15	Cyprus	4	0.3%
16	Hong Kong	4	0.3%
17	Ireland	4	0.3%
18	Ghana	3	0.3%
19	Iran, Islamic Republic of	2	0.2%
20	Czech Republic	2	0.2%
21	Croatia	2	0.2%
22	Belgium	2	0.2%
23	Brazil	2	0.2%
24	Philippines	2	0.2%
25	Latvia	2	0.2%
26	Mongolia	2	0.2%
27	Turkey	2	0.2%
28	Ukraine	1	0.1%
29	Sweden	1	0.1%
30	Taiwan	1	0.1%
31	Russia	1	0.1%
32	Bangladesh	1	0.1%
33	Georgia	1	0.1%