Rank	Countries/Territories	Count	Percent
1	United States	482	35.4%
2	China	423	31.1%
3	Germany	116	8.5%
4	Japan	38	2.8%
5	Russia	32	2.3%
6	France	30	2.2%
7	Ireland	28	2.1%
8	Singapore	22	1.6%
9	Spain	22	1.6%
10	Canada	21	1.5%
11	Netherlands	19	1.4%
12	United Kingdom	16	1.2%
13	Iran, Islamic Republic of	13	1%
14	Denmark	12	0.9%
15	India	11	0.8%
16	Sweden	11	0.8%
17	Australia	10	0.7%
18	Argentina	7	0.5%
19	Italy	7	0.5%
20	Turkey	5	0.4%
21	Mexico	4	0.3%
22	Hong Kong	4	0.3%
23	Bangladesh	4	0.3%
24	Belgium	3	0.2%
25	Cyprus	3	0.2%
26	Hungary	3	0.2%
27	Korea, Republic of	3	0.2%
28	Luxembourg	3	0.2%
29	Switzerland	2	0.1%
30	Ecuador	2	0.1%
31	Latvia	1	0.1%
32	Ukraine	1	0.1%
33	Mongolia	1	0.1%
34	Norway	1	0.1%
35	Portugal	1	0.1%
36	Romania	1	0.1%