Rank	Countries/Territories	Count	Percent
1	United States	685	41.4%
2	China	517	31.3%
3	Germany	129	7.8%
4	Canada	69	4.2%
5	France	43	2.6%
6	Spain	29	1.8%
7	Netherlands	25	1.5%
8	Japan	19	1.1%
9	Russia	18	1.1%
10	Korea, Republic of	13	0.8%
11	Romania	11	0.7%
12	Singapore	11	0.7%
13	Hong Kong	9	0.5%
14	Ireland	9	0.5%
15	United Kingdom	8	0.5%
16	Australia	7	0.4%
17	India	6	0.4%
18	Poland	6	0.4%
19	Portugal	6	0.4%
20	South Africa	4	0.2%
21	Argentina	4	0.2%
22	Cyprus	4	0.2%
23	Mongolia	3	0.2%
24	Malaysia	2	0.1%
25	Viet Nam	2	0.1%
26	Slovakia	2	0.1%
27	Thailand	2	0.1%
28	Belgium	2	0.1%
29	Brazil	2	0.1%
30	Guatemala	2	0.1%
31	Italy	1	0.1%
32	Austria	1	0.1%
33	Chile	1	0.1%
34	Philippines	1	0.1%