Rank	Countries/Territories	Count	Percent
1	United States	349	39.4%
2	China	230	26%
3	Germany	73	8.2%
4	France	26	2.9%
5	Mexico	24	2.7%
6	India	22	2.5%
7	Ukraine	16	1.8%
8	Netherlands	16	1.8%
9	Japan	14	1.6%
10	Argentina	14	1.6%
11	Switzerland	10	1.1%
12	United Kingdom	8	0.9%
13	Canada	8	0.9%
14	Brazil	7	0.8%
15	Australia	7	0.8%
16	Russia	6	0.7%
17	Italy	6	0.7%
18	Spain	5	0.6%
19	Turkey	5	0.6%
20	Ireland	5	0.6%
21	Czech Republic	4	0.5%
22	Hong Kong	3	0.3%
23	Austria	3	0.3%
24	Taiwan	3	0.3%
25	Serbia	2	0.2%
26	Singapore	2	0.2%
27	New Zealand	2	0.2%
28	Oman	2	0.2%
29	Poland	2	0.2%
30	Hungary	2	0.2%
31	Indonesia	2	0.2%
32	Iran, Islamic Republic of	2	0.2%
33	Kazakhstan	2	0.2%
34	Malaysia	2	0.2%
35	Mongolia	1	0.1%