Rank	Countries/Territories	Count	Percent
1	United States	395	44.2%
2	China	168	18.8%
3	Germany	80	8.9%
4	Canada	45	5%
5	France	26	2.9%
6	Singapore	22	2.5%
7	Japan	20	2.2%
8	Netherlands	15	1.7%
9	Korea, Republic of	11	1.2%
10	India	11	1.2%
11	Russia	10	1.1%
12	Ukraine	10	1.1%
13	Australia	9	1%
14	Cyprus	7	0.8%
15	Indonesia	7	0.8%
16	Iran, Islamic Republic of	6	0.7%
17	Ireland	6	0.7%
18	United Kingdom	6	0.7%
19	Spain	5	0.6%
20	Taiwan	4	0.4%
21	Latvia	4	0.4%
22	Italy	3	0.3%
23	Switzerland	2	0.2%
24	Tunisia	2	0.2%
25	Serbia	2	0.2%
26	Malaysia	2	0.2%
27	Egypt	2	0.2%
28	Finland	2	0.2%
29	Argentina	2	0.2%
30	Brazil	2	0.2%
31	Austria	1	0.1%
32	Moldova, Republic of	1	0.1%
33	Israel	1	0.1%
34	Pakistan	1	0.1%
35	Philippines	1	0.1%
36	Romania	1	0.1%
37	Turkey	1	0.1%
38	Sweden	1	0.1%