Rank	Countries/Territories	Count	Percent
1	United States	490	48.7%
2	China	230	22.9%
3	Germany	66	6.6%
4	India	25	2.5%
5	Netherlands	24	2.4%
6	Canada	18	1.8%
7	United Kingdom	17	1.7%
8	Iran, Islamic Republic of	16	1.6%
9	Brazil	13	1.3%
10	France	13	1.3%
11	Italy	11	1.1%
12	Pakistan	9	0.9%
13	Switzerland	7	0.7%
14	Japan	7	0.7%
15	Australia	7	0.7%
16	Taiwan	6	0.6%
17	Russia	6	0.6%
18	Singapore	6	0.6%
19	Cyprus	5	0.5%
20	Argentina	3	0.3%
21	Estonia	3	0.3%
22	Hong Kong	2	0.2%
23	Kenya	2	0.2%
24	Malaysia	2	0.2%
25	Costa Rica	2	0.2%
26	Spain	2	0.2%
27	Sri Lanka	2	0.2%
28	Poland	2	0.2%
29	Turkey	2	0.2%
30	Ukraine	1	0.1%
31	Uzbekistan	1	0.1%
32	Nigeria	1	0.1%
33	Norway	1	0.1%
34	Croatia	1	0.1%
35	Denmark	1	0.1%
36	Belgium	1	0.1%
37	Mongolia	1	0.1%