Rank	Countries/Territories	Count	Percent
1	United States	326	39.8%
2	China	205	25%
3	Germany	114	13.9%
4	India	50	6.1%
5	Japan	13	1.6%
6	Korea, Republic of	12	1.5%
7	Egypt	11	1.3%
8	Singapore	7	0.9%
9	Turkey	7	0.9%
10	Canada	6	0.7%
11	Indonesia	6	0.7%
12	Argentina	5	0.6%
13	Saudi Arabia	5	0.6%
14	Poland	4	0.5%
15		4	0.5%
16	Congo, The Democratic Republic of The	4	0.5%
17	Cyprus	4	0.5%
18	France	3	0.4%
19	Iran, Islamic Republic of	3	0.4%
20	Netherlands	3	0.4%
21	Ukraine	3	0.4%
22	United Kingdom	3	0.4%
23	Taiwan	3	0.4%
24	Yemen	2	0.2%
25	Russia	2	0.2%
26	Spain	2	0.2%
27	Sweden	2	0.2%
28	Philippines	2	0.2%
29	Ireland	2	0.2%
30	Italy	2	0.2%
31	Brazil	2	0.2%
32	Australia	1	0.1%
33	Switzerland	1	0.1%
34	Guatemala	1	0.1%