Rank	Countries/Territories	Count	Percent
1	United States	330	36.2%
2	China	293	32.2%
3	Germany	104	11.4%
4	Russia	41	4.5%
5	Brazil	16	1.8%
6	United Kingdom	15	1.6%
7	Hungary	11	1.2%
8	Japan	11	1.2%
9	Canada	9	1%
10	Switzerland	9	1%
11	Taiwan	9	1%
12	Singapore	8	0.9%
13	Turkey	7	0.8%
14	Cyprus	7	0.8%
15	Hong Kong	6	0.7%
16	India	5	0.5%
17	France	4	0.4%
18	Bulgaria	3	0.3%
19	Syrian Arab Republic	3	0.3%
20	Netherlands	3	0.3%
21	Portugal	2	0.2%
22	Viet Nam	2	0.2%
23	Australia	2	0.2%
24	Korea, Republic of	2	0.2%
25	Latvia	2	0.2%
26	Mongolia	1	0.1%
27	Ireland	1	0.1%
28	Czech Republic	1	0.1%
29	Guatemala	1	0.1%
30	Norway	1	0.1%
31	Panama	1	0.1%
32	Ukraine	1	0.1%