Rank	Countries/Territories	Count	Percent
1	United States	376	37%
2	China	294	28.9%
3	Germany	123	12.1%
4	Poland	22	2.2%
5	France	21	2.1%
6	India	20	2%
7	Canada	20	2%
8	Singapore	14	1.4%
9	Japan	13	1.3%
10	Korea, Republic of	12	1.2%
11	Russia	11	1.1%
12	Sweden	10	1%
13	Switzerland	10	1%
14	Netherlands	9	0.9%
15	Australia	9	0.9%
16	Cyprus	7	0.7%
17	Lithuania	6	0.6%
18	United Kingdom	6	0.6%
19	Norway	5	0.5%
20	South Africa	4	0.4%
21	Taiwan	4	0.4%
22	Austria	3	0.3%
23	Argentina	2	0.2%
24	Czech Republic	2	0.2%
25	Mexico	2	0.2%
26	Mongolia	2	0.2%
27	Spain	2	0.2%
28	Serbia	2	0.2%
29	Romania	1	0.1%
30	Turkey	1	0.1%
31	Iran, Islamic Republic of	1	0.1%
32	Ireland	1	0.1%
33	Hungary	1	0.1%
34	Denmark	1	0.1%