Rank	Countries/Territories	Count	Percent
1	United States	677	37.8%
2	China	575	32.1%
3	Germany	162	9.1%
4	Czech Republic	79	4.4%
5	Netherlands	40	2.2%
6	France	37	2.1%
7	United Kingdom	31	1.7%
8	Canada	25	1.4%
9	Norway	23	1.3%
10	India	22	1.2%
11	Japan	18	1%
12	Singapore	14	0.8%
13	Spain	14	0.8%
14	Sweden	10	0.6%
15	Ireland	9	0.5%
16	Australia	8	0.4%
17	Cyprus	8	0.4%
18	Hong Kong	7	0.4%
19	South Africa	6	0.3%
20	Korea, Republic of	6	0.3%
21	Uganda	4	0.2%
22	Argentina	3	0.2%
23	Latvia	2	0.1%
24	Mongolia	2	0.1%
25	New Zealand	2	0.1%
26	Russia	1	0.1%
27	Ukraine	1	0.1%
28	Malaysia	1	0.1%
29	Greece	1	0.1%
30	Austria	1	0.1%