Rank	Countries/Territories	Count	Percent
1	United States	608	36.8%
2	China	580	35.1%
3	Germany	146	8.8%
4	France	65	3.9%
5	Czech Republic	50	3%
6	Japan	35	2.1%
7	Korea, Republic of	33	2%
8	Canada	15	0.9%
9	Singapore	15	0.9%
10	Netherlands	13	0.8%
11	India	10	0.6%
12	United Kingdom	9	0.5%
13	Australia	8	0.5%
14	Denmark	8	0.5%
15	Cyprus	8	0.5%
16	Ireland	5	0.3%
17	Russia	5	0.3%
18	Ukraine	4	0.2%
19	Hong Kong	4	0.2%
20	Argentina	4	0.2%
21	Bolivia, Plurinational State of	3	0.2%
22	Brazil	3	0.2%
23	South Africa	3	0.2%
24	Italy	3	0.2%
25	Romania	2	0.1%
26	Slovakia	2	0.1%
27	Sweden	2	0.1%
28	Taiwan	2	0.1%
29	Thailand	2	0.1%
30	Israel	2	0.1%
31	Mexico	2	0.1%
32	Mongolia	2	0.1%
33	Norway	1	0.1%