Rank	Countries/Territories	Count	Percent
1	United States	171	42.8%
2	China	79	19.8%
3	Germany	31	7.8%
4	Netherlands	14	3.5%
5	Japan	12	3%
6	Hungary	11	2.8%
7	Korea, Republic of	9	2.2%
8	New Zealand	9	2.2%
9	Iran, Islamic Republic of	7	1.8%
10	Italy	6	1.5%
11	France	6	1.5%
12	Cyprus	5	1.2%
13	Ukraine	5	1.2%
14	Russia	4	1%
15	Singapore	3	0.8%
16	Spain	3	0.8%
17	Switzerland	3	0.8%
18	Australia	3	0.8%
19	Nigeria	3	0.8%
20	Egypt	2	0.5%
21	Thailand	2	0.5%
22	United Kingdom	2	0.5%
23	South Africa	2	0.5%
24	Hong Kong	2	0.5%
25	Sweden	1	0.2%
26	Canada	1	0.2%
27	Georgia	1	0.2%
28	Greece	1	0.2%
29	Norway	1	0.2%
30	Poland	1	0.2%