Rank	Countries/Territories	Count	Percent
1	United States	387	50.8%
2	China	139	18.2%
3	Germany	59	7.7%
4	India	46	6%
5	Ukraine	15	2%
6	Japan	14	1.8%
7	United Kingdom	13	1.7%
8	South Africa	9	1.2%
9	Pakistan	8	1%
10	Netherlands	8	1%
11	France	8	1%
12	Singapore	7	0.9%
13	Switzerland	7	0.9%
14	Belgium	6	0.8%
15	Australia	5	0.7%
16	Canada	4	0.5%
17	Cyprus	3	0.4%
18	Hong Kong	3	0.4%
19	Egypt	2	0.3%
20	Korea, Republic of	2	0.3%
21	Iran, Islamic Republic of	2	0.3%
22	Ireland	2	0.3%
23	Mexico	2	0.3%
24	Sweden	2	0.3%
25	Poland	2	0.3%
26	Portugal	1	0.1%
27	Russia	1	0.1%
28	Taiwan	1	0.1%
29	Italy	1	0.1%
30	Malaysia	1	0.1%
31	Norway	1	0.1%
32	Hungary	1	0.1%