Rank	Countries/Territories	Count	Percent
1	United States	329	38.8%
2	China	219	25.8%
3	Germany	92	10.8%
4		32	3.8%
5	Japan	30	3.5%
6	France	16	1.9%
7	Iran, Islamic Republic of	15	1.8%
8	Canada	11	1.3%
9	Australia	9	1.1%
10	Netherlands	9	1.1%
11	Korea, Republic of	8	0.9%
12	Ukraine	8	0.9%
13	United Kingdom	8	0.9%
14	India	7	0.8%
15	Hong Kong	6	0.7%
16	Cyprus	5	0.6%
17	Singapore	5	0.6%
18	Pakistan	3	0.4%
19	Mexico	3	0.4%
20	Belgium	3	0.4%
21	Argentina	3	0.4%
22	Ireland	2	0.2%
23	Italy	2	0.2%
24	New Zealand	2	0.2%
25	Norway	2	0.2%
26	Macao	2	0.2%
27	Malaysia	2	0.2%
28	Portugal	2	0.2%
29	Switzerland	2	0.2%
30	Taiwan	1	0.1%
31	Turkey	1	0.1%
32	Russia	1	0.1%
33	Philippines	1	0.1%
34	Mongolia	1	0.1%
35	Morocco	1	0.1%
36	Iraq	1	0.1%
37	Brazil	1	0.1%
38	Czech Republic	1	0.1%
39	Egypt	1	0.1%
40	El Salvador	1	0.1%