Rank	Countries/Territories	Count	Percent
1	China	538	41.8%
2	United States	502	39%
3	Germany	121	9.4%
4	Canada	30	2.3%
5	Romania	14	1.1%
6	Japan	13	1%
7	France	8	0.6%
8	United Kingdom	8	0.6%
9	Ghana	5	0.4%
10	Colombia	5	0.4%
11	Netherlands	5	0.4%
12	Russia	5	0.4%
13	Singapore	5	0.4%
14	India	4	0.3%
15	Ireland	4	0.3%
16	Cyprus	4	0.3%
17	Hong Kong	3	0.2%
18	Argentina	2	0.2%
19	Australia	2	0.2%
20	South Africa	2	0.2%
21	Serbia	2	0.2%
22	Thailand	2	0.2%
23	Switzerland	1	0.1%
24	Belgium	1	0.1%