Rank	Countries/Territories	Count	Percent
1	China	502	41.8%
2	United States	407	33.9%
3	Germany	102	8.5%
4	France	29	2.4%
5	Canada	27	2.2%
6	Greece	14	1.2%
7	Singapore	14	1.2%
8	Japan	13	1.1%
9	Ukraine	11	0.9%
10	Netherlands	10	0.8%
11	Cyprus	10	0.8%
12	Australia	9	0.7%
13	Korea, Republic of	7	0.6%
14	Ireland	5	0.4%
15	Russia	5	0.4%
16	Latvia	4	0.3%
17	Iran, Islamic Republic of	4	0.3%
18	Hong Kong	3	0.2%
19	Portugal	3	0.2%
20	United Kingdom	3	0.2%
21	Spain	3	0.2%
22	Sweden	3	0.2%
23	Norway	2	0.2%
24	Uzbekistan	2	0.2%
25	India	2	0.2%
26	Bulgaria	2	0.2%
27	Malaysia	2	0.2%
28	Argentina	1	0.1%
29	Italy	1	0.1%
30	Switzerland	1	0.1%