Rank	Countries/Territories	Count	Percent
1	United States	501	40.4%
2	China	287	23.1%
3	Germany	127	10.2%
4		75	6%
5	Czech Republic	52	4.2%
6	Hong Kong	30	2.4%
7	France	29	2.3%
8	Netherlands	24	1.9%
9	Japan	23	1.9%
10	Cyprus	9	0.7%
11	Australia	7	0.6%
12	Canada	7	0.6%
13	Ireland	6	0.5%
14	Italy	6	0.5%
15	India	6	0.5%
16	Bangladesh	6	0.5%
17	Korea, Republic of	6	0.5%
18	Turkey	5	0.4%
19	Russia	4	0.3%
20	Belgium	4	0.3%
21	Argentina	4	0.3%
22	Egypt	4	0.3%
23	Malaysia	3	0.2%
24	Mexico	3	0.2%
25	Latvia	2	0.2%
26	Singapore	2	0.2%
27	Iran, Islamic Republic of	2	0.2%
28	South Africa	1	0.1%
29	Ukraine	1	0.1%
30	United Kingdom	1	0.1%
31	Lithuania	1	0.1%
32	Mongolia	1	0.1%
33	Philippines	1	0.1%
34	Indonesia	1	0.1%