Rank	Countries/Territories	Count	Percent
1	United States	339	38.5%
2	China	204	23.2%
3	Germany	124	14.1%
4	Japan	35	4%
5	Canada	21	2.4%
6	France	19	2.2%
7	India	13	1.5%
8	Ukraine	12	1.4%
9	Romania	11	1.2%
10	Singapore	10	1.1%
11	Portugal	10	1.1%
12	Peru	7	0.8%
13	Korea, Republic of	7	0.8%
14	Argentina	7	0.8%
15	Cyprus	6	0.7%
16	Egypt	5	0.6%
17	Netherlands	5	0.6%
18	Taiwan	4	0.5%
19	Czech Republic	4	0.5%
20	Iran, Islamic Republic of	4	0.5%
21	Australia	4	0.5%
22	Bahrain	3	0.3%
23	Colombia	3	0.3%
24	Ecuador	3	0.3%
25	Turkey	3	0.3%
26	Thailand	2	0.2%
27	Russia	2	0.2%
28	Norway	2	0.2%
29	Ireland	2	0.2%
30	Greece	2	0.2%
31	Croatia	2	0.2%
32	Chile	1	0.1%
33	Bangladesh	1	0.1%
34	Lebanon	1	0.1%
35	Malaysia	1	0.1%
36	Mexico	1	0.1%