Rank	Countries/Territories	Count	Percent
1	United States	427	45.2%
2	China	236	25%
3	Germany	85	9%
4	Japan	31	3.3%
5	France	22	2.3%
6	United Kingdom	21	2.2%
7	Netherlands	18	1.9%
8	Iran, Islamic Republic of	14	1.5%
9	Australia	14	1.5%
10	Singapore	11	1.2%
11	Canada	8	0.8%
12		7	0.7%
13	Ukraine	7	0.7%
14	Cyprus	5	0.5%
15	Brazil	4	0.4%
16	Argentina	4	0.4%
17	Hong Kong	4	0.4%
18	Poland	4	0.4%
19	Belgium	3	0.3%
20	Denmark	2	0.2%
21	India	2	0.2%
22	Indonesia	2	0.2%
23	Italy	2	0.2%
24	Switzerland	2	0.2%
25	Taiwan	1	0.1%
26	Solomon Islands	1	0.1%
27	Spain	1	0.1%
28	Russia	1	0.1%
29	Norway	1	0.1%
30	Malaysia	1	0.1%
31	Mexico	1	0.1%
32	Mongolia	1	0.1%
33	Ireland	1	0.1%