Rank	Countries/Territories	Count	Percent
1	China	620	38.8%
2	United States	595	37.2%
3	Germany	114	7.1%
4	Canada	51	3.2%
5	France	35	2.2%
6	Ukraine	24	1.5%
7	Netherlands	22	1.4%
8	Switzerland	17	1.1%
9	India	16	1%
10	Japan	14	0.9%
11	United Kingdom	11	0.7%
12	Turkey	11	0.7%
13	Brazil	10	0.6%
14	Hong Kong	7	0.4%
15	Australia	5	0.3%
16	Cyprus	5	0.3%
17	Iran, Islamic Republic of	4	0.2%
18	Taiwan	4	0.2%
19	Russia	4	0.2%
20	Singapore	4	0.2%
21	Norway	3	0.2%
22	Ireland	3	0.2%
23	Malaysia	3	0.2%
24	Mongolia	3	0.2%
25	Korea, Republic of	2	0.1%
26	Latvia	2	0.1%
27	Belgium	2	0.1%
28	Argentina	2	0.1%
29	Spain	2	0.1%
30	Sweden	2	0.1%
31	New Zealand	2	0.1%
32	Czech Republic	1	0.1%