Rank	Countries/Territories	Count	Percent
1	United States	452	38.9%
2	China	361	31.1%
3	Germany	127	10.9%
4	France	49	4.2%
5	Romania	28	2.4%
6	Netherlands	19	1.6%
7	Japan	15	1.3%
8	Italy	14	1.2%
9	Russia	12	1%
10	Korea, Republic of	11	0.9%
11	India	9	0.8%
12	Ireland	7	0.6%
13	Bahrain	6	0.5%
14	Canada	6	0.5%
15	Singapore	6	0.5%
16	Cyprus	5	0.4%
17	Latvia	5	0.4%
18	Argentina	4	0.3%
19	Mongolia	4	0.3%
20	Ukraine	3	0.3%
21	Australia	3	0.3%
22	Macao	2	0.2%
23	New Zealand	2	0.2%
24	Sweden	2	0.2%
25	Peru	2	0.2%
26	Philippines	2	0.2%
27	South Africa	2	0.2%
28	Spain	1	0.1%
29	United Kingdom	1	0.1%
30	Panama	1	0.1%