Rank	Countries/Territories	Count	Percent
1	United States	562	36.4%
2	China	516	33.5%
3	Germany	198	12.8%
4	Japan	39	2.5%
5	France	31	2%
6	Canada	27	1.8%
7	United Kingdom	20	1.3%
8	Netherlands	19	1.2%
9	Norway	11	0.7%
10	Australia	9	0.6%
11	Cyprus	8	0.5%
12	Hong Kong	8	0.5%
13	Russia	7	0.5%
14	Moldova, Republic of	7	0.5%
15	Portugal	6	0.4%
16	Singapore	6	0.4%
17	Italy	6	0.4%
18	Korea, Republic of	6	0.4%
19	Greece	6	0.4%
20	Uganda	5	0.3%
21	Romania	5	0.3%
22	Mongolia	5	0.3%
23	Spain	4	0.3%
24	Argentina	4	0.3%
25	Brazil	4	0.3%
26	Bulgaria	3	0.2%
27	Bangladesh	3	0.2%
28	Finland	2	0.1%
29	India	2	0.1%
30	Sweden	2	0.1%
31	Ukraine	2	0.1%
32	Taiwan	2	0.1%
33	Saudi Arabia	2	0.1%
34	New Zealand	1	0.1%
35	Switzerland	1	0.1%
36	Israel	1	0.1%
37	Latvia	1	0.1%
38	Czech Republic	1	0.1%