Rank	Countries/Territories	Count	Percent
1	United States	612	40.1%
2	China	477	31.3%
3	Germany	128	8.4%
4	Canada	69	4.5%
5	France	37	2.4%
6	Spain	29	1.9%
7	Netherlands	24	1.6%
8	Japan	19	1.2%
9	Russia	18	1.2%
10	Korea, Republic of	12	0.8%
11	Singapore	11	0.7%
12	Romania	11	0.7%
13	Ireland	9	0.6%
14	United Kingdom	8	0.5%
15	Australia	7	0.5%
16	Hong Kong	6	0.4%
17	India	6	0.4%
18	Poland	6	0.4%
19	Portugal	6	0.4%
20	Cyprus	4	0.3%
21	Argentina	3	0.2%
22	Mongolia	3	0.2%
23	South Africa	3	0.2%
24	Thailand	2	0.1%
25	Viet Nam	2	0.1%
26	Slovakia	2	0.1%
27	Guatemala	2	0.1%
28	Malaysia	2	0.1%
29	Belgium	2	0.1%
30	Brazil	2	0.1%
31	Austria	1	0.1%
32	Chile	1	0.1%
33	Philippines	1	0.1%