Rank	Countries/Territories	Count	Percent
1	United States	530	39.6%
2	China	415	31%
3	Germany	165	12.3%
4		74	5.5%
5	France	27	2%
6	Japan	23	1.7%
7	Canada	14	1%
8	Singapore	13	1%
9	Cyprus	12	0.9%
10	United Kingdom	7	0.5%
11	Taiwan	6	0.4%
12	Iran, Islamic Republic of	6	0.4%
13	Netherlands	5	0.4%
14	Sweden	4	0.3%
15	Ukraine	4	0.3%
16	Korea, Republic of	4	0.3%
17	Argentina	4	0.3%
18	Australia	4	0.3%
19	Slovenia	3	0.2%
20	Russia	3	0.2%
21	Italy	2	0.1%
22	New Zealand	2	0.1%
23	Spain	2	0.1%
24	Brazil	2	0.1%
25	Mexico	2	0.1%
26	Morocco	1	0.1%
27	Ireland	1	0.1%
28	India	1	0.1%
29	Pakistan	1	0.1%
30	South Africa	1	0.1%
31	Switzerland	1	0.1%