Rank	Countries/Territories	Count	Percent
1	United States	551	39.4%
2	China	336	24%
3	Germany	144	10.3%
4	India	97	6.9%
5	Australia	44	3.1%
6	Canada	36	2.6%
7	United Kingdom	26	1.9%
8	Singapore	16	1.1%
9	France	16	1.1%
10	Japan	16	1.1%
11	Mexico	15	1.1%
12	Netherlands	13	0.9%
13	Ukraine	12	0.9%
14	Argentina	10	0.7%
15	Cyprus	8	0.6%
16	Spain	7	0.5%
17	Iran, Islamic Republic of	6	0.4%
18	Italy	5	0.4%
19	Portugal	5	0.4%
20	Russia	5	0.4%
21	Malaysia	4	0.3%
22	Latvia	4	0.3%
23	Korea, Republic of	3	0.2%
24	Czech Republic	3	0.2%
25	Denmark	3	0.2%
26	South Africa	3	0.2%
27	Saudi Arabia	2	0.1%
28	Egypt	2	0.1%
29	Austria	2	0.1%
30	Belgium	2	0.1%
31	Lithuania	1	0.1%
32	Philippines	1	0.1%
33	Mongolia	1	0.1%
34	Sweden	1	0.1%