Rank	Countries/Territories	Count	Percent
1	United States	216	42.6%
2	China	128	25.2%
3	Germany	77	15.2%
4	Japan	17	3.4%
5	Canada	15	3%
6	Taiwan	13	2.6%
7	France	6	1.2%
8	Cyprus	4	0.8%
9	Singapore	4	0.8%
10	Sweden	3	0.6%
11	Egypt	3	0.6%
12	Austria	3	0.6%
13	India	3	0.6%
14	Iran, Islamic Republic of	3	0.6%
15	Malaysia	2	0.4%
16	Netherlands	2	0.4%
17	Ukraine	2	0.4%
18	Spain	1	0.2%
19	Norway	1	0.2%
20	Mexico	1	0.2%
21	Georgia	1	0.2%
22	Korea, Republic of	1	0.2%
23	Ireland	1	0.2%