Rank	Countries/Territories	Count	Percent
1	China	309	40.6%
2	United States	252	33.1%
3	Germany	77	10.1%
4	Korea, Republic of	15	2%
5	Canada	9	1.2%
6	France	9	1.2%
7	Russia	9	1.2%
8	Singapore	9	1.2%
9	Japan	7	0.9%
10	Ireland	6	0.8%
11	Egypt	6	0.8%
12	Netherlands	6	0.8%
13	Cyprus	5	0.7%
14	Australia	4	0.5%
15	New Zealand	4	0.5%
16	Ukraine	4	0.5%
17	Iran, Islamic Republic of	4	0.5%
18	Romania	3	0.4%
19	Taiwan	3	0.4%
20	United Kingdom	3	0.4%
21	Thailand	2	0.3%
22	Brazil	2	0.3%
23	Kenya	2	0.3%
24	Malaysia	2	0.3%
25	Mongolia	1	0.1%
26	Israel	1	0.1%
27	Hong Kong	1	0.1%
28	India	1	0.1%
29	Finland	1	0.1%
30	Norway	1	0.1%
31	Pakistan	1	0.1%
32	Portugal	1	0.1%
33	Slovakia	1	0.1%
34	Spain	1	0.1%