Rank	Countries/Territories	Count	Percent
1	United States	325	45.9%
2	Germany	118	16.7%
3	China	110	15.5%
4	Colombia	15	2.1%
5	Denmark	14	2%
6	Singapore	14	2%
7	Spain	13	1.8%
8	Netherlands	12	1.7%
9	Turkey	11	1.6%
10	France	10	1.4%
11	Malaysia	8	1.1%
12	United Kingdom	8	1.1%
13	India	6	0.8%
14	Iran, Islamic Republic of	4	0.6%
15	Japan	4	0.6%
16	Pakistan	4	0.6%
17	Panama	3	0.4%
18	Mexico	3	0.4%
19	Canada	3	0.4%
20	Lithuania	3	0.4%
21	Indonesia	3	0.4%
22	Cyprus	3	0.4%
23	Argentina	2	0.3%
24	Australia	2	0.3%
25	Sweden	2	0.3%
26	Switzerland	2	0.3%
27	Viet Nam	2	0.3%
28	Ukraine	1	0.1%
29	Romania	1	0.1%
30	Lebanon	1	0.1%
31	Ireland	1	0.1%