Rank	Countries/Territories	Count	Percent
1	United States	434	38.9%
2	China	343	30.8%
3	Germany	72	6.5%
4	Australia	36	3.2%
5	Canada	28	2.5%
6	Denmark	27	2.4%
7	Indonesia	24	2.2%
8	Japan	24	2.2%
9	United Kingdom	18	1.6%
10	Moldova, Republic of	15	1.3%
11	Netherlands	14	1.3%
12	Singapore	9	0.8%
13	Cyprus	8	0.7%
14	France	8	0.7%
15	Korea, Republic of	7	0.6%
16	Hong Kong	6	0.5%
17	Hungary	5	0.4%
18	India	5	0.4%
19	Ukraine	5	0.4%
20	South Africa	4	0.4%
21	Romania	3	0.3%
22	Iran, Islamic Republic of	3	0.3%
23	Colombia	2	0.2%
24	Argentina	2	0.2%
25	Bangladesh	2	0.2%
26	Mexico	2	0.2%
27	Norway	2	0.2%
28	Pakistan	2	0.2%
29	Mongolia	2	0.2%
30	Malaysia	1	0.1%
31	Finland	1	0.1%
32	Italy	1	0.1%