Rank	Countries/Territories	Count	Percent
1	United States	366	38.8%
2	China	257	27.2%
3	Germany	74	7.8%
4	France	61	6.5%
5	Australia	34	3.6%
6	Czech Republic	31	3.3%
7	Canada	20	2.1%
8	Japan	17	1.8%
9	Netherlands	12	1.3%
10	Russia	11	1.2%
11	Singapore	7	0.7%
12	Cyprus	5	0.5%
13	Brazil	4	0.4%
14	Italy	4	0.4%
15	Hong Kong	4	0.4%
16	Ukraine	4	0.4%
17	United Arab Emirates	3	0.3%
18	United Kingdom	3	0.3%
19	Latvia	3	0.3%
20	Argentina	3	0.3%
21	Belgium	3	0.3%
22	India	2	0.2%
23	Iran, Islamic Republic of	2	0.2%
24	Korea, Republic of	2	0.2%
25	Mongolia	2	0.2%
26	Norway	2	0.2%
27	Thailand	2	0.2%
28	Viet Nam	2	0.2%
29	Turkey	1	0.1%
30	Poland	1	0.1%
31	Morocco	1	0.1%
32	Greece	1	0.1%