Rank	Countries/Territories	Count	Percent
1	United States	401	50.7%
2	China	223	28.2%
3	Germany	39	4.9%
4	Japan	18	2.3%
5	India	11	1.4%
6	Israel	10	1.3%
7	Canada	10	1.3%
8	Korea, Republic of	10	1.3%
9	Australia	8	1%
10	France	7	0.9%
11	United Kingdom	6	0.8%
12	Ukraine	5	0.6%
13	Russia	5	0.6%
14	Hong Kong	4	0.5%
15	Austria	3	0.4%
16	Belgium	3	0.4%
17	Cote D'ivoire	3	0.4%
18	Sweden	3	0.4%
19	Mongolia	2	0.3%
20	Czech Republic	2	0.3%
21	Argentina	2	0.3%
22	Italy	2	0.3%
23	Iran, Islamic Republic of	2	0.3%
24	Ireland	1	0.1%
25	Denmark	1	0.1%
26	Ecuador	1	0.1%
27	Finland	1	0.1%
28	Brazil	1	0.1%
29	Netherlands	1	0.1%
30	Norway	1	0.1%
31	Pakistan	1	0.1%
32	Portugal	1	0.1%
33	Singapore	1	0.1%
34	Spain	1	0.1%
35	Mexico	1	0.1%