Rank	Countries/Territories	Count	Percent
1	United States	294	50.3%
2	China	99	17%
3	Germany	57	9.8%
4	France	18	3.1%
5	Canada	15	2.6%
6	Japan	13	2.2%
7	Netherlands	11	1.9%
8	Switzerland	9	1.5%
9	Singapore	8	1.4%
10	United Kingdom	8	1.4%
11	Korea, Republic of	8	1.4%
12	Italy	7	1.2%
13	Australia	5	0.9%
14	Brazil	3	0.5%
15	Turkey	3	0.5%
16	Peru	2	0.3%
17	Poland	2	0.3%
18	Portugal	2	0.3%
19	Bulgaria	2	0.3%
20	Austria	2	0.3%
21	Belgium	2	0.3%
22	Algeria	2	0.3%
23	Cyprus	2	0.3%
24	Malaysia	2	0.3%
25	Mexico	2	0.3%
26	India	2	0.3%
27	Ireland	1	0.2%
28	Hungary	1	0.2%
29	Taiwan	1	0.2%
30	Ukraine	1	0.2%