Rank	Countries/Territories	Count	Percent
1	United States	604	36.6%
2	China	516	31.3%
3	Germany	128	7.8%
4	India	90	5.5%
5	Canada	41	2.5%
6	Brazil	37	2.2%
7	Japan	32	1.9%
8	France	28	1.7%
9	Spain	22	1.3%
10	Netherlands	18	1.1%
11	Korea, Republic of	18	1.1%
12	Iran, Islamic Republic of	15	0.9%
13	Ireland	13	0.8%
14	Australia	10	0.6%
15	Cyprus	10	0.6%
16	Singapore	10	0.6%
17	United Kingdom	10	0.6%
18	Russia	8	0.5%
19	Egypt	8	0.5%
20	Poland	5	0.3%
21	Turkey	4	0.2%
22	Malaysia	3	0.2%
23	Sweden	2	0.1%
24	Portugal	2	0.1%
25	Nigeria	2	0.1%
26	Norway	2	0.1%
27	Pakistan	2	0.1%
28	Czech Republic	2	0.1%
29	Ecuador	1	0.1%
30	Argentina	1	0.1%
31	Latvia	1	0.1%
32	Luxembourg	1	0.1%
33	Switzerland	1	0.1%
34	Saudi Arabia	1	0.1%
35	South Africa	1	0.1%