Rank	Countries/Territories	Count	Percent
1	United States	494	37.2%
2	China	432	32.5%
3	Germany	130	9.8%
4	France	58	4.4%
5	Romania	38	2.9%
6	Netherlands	31	2.3%
7	Japan	19	1.4%
8	Italy	14	1.1%
9	Russia	12	0.9%
10	Korea, Republic of	11	0.8%
11	India	9	0.7%
12	Ireland	7	0.5%
13	Argentina	7	0.5%
14	Bahrain	6	0.5%
15	Canada	6	0.5%
16	Singapore	6	0.5%
17	United Kingdom	5	0.4%
18	Australia	5	0.4%
19	Cyprus	5	0.4%
20	Latvia	5	0.4%
21	Hong Kong	4	0.3%
22	Mongolia	4	0.3%
23	Sweden	4	0.3%
24	Ukraine	3	0.2%
25	Peru	2	0.2%
26	Philippines	2	0.2%
27	South Africa	2	0.2%
28	New Zealand	2	0.2%
29	Norway	2	0.2%
30	Macao	2	0.2%
31	Panama	1	0.1%
32	Spain	1	0.1%