Rank	Countries/Territories	Count	Percent
1	United States	699	39.6%
2	China	591	33.4%
3	Germany	139	7.9%
4	Canada	69	3.9%
5	France	49	2.8%
6	Spain	29	1.6%
7	Netherlands	25	1.4%
8	Japan	20	1.1%
9	Russia	18	1%
10	Korea, Republic of	13	0.7%
11	Romania	11	0.6%
12	Singapore	11	0.6%
13	Ireland	11	0.6%
14	Australia	10	0.6%
15	Hong Kong	9	0.5%
16	India	8	0.5%
17	United Kingdom	8	0.5%
18	Portugal	7	0.4%
19	Poland	6	0.3%
20	Cyprus	5	0.3%
21	Argentina	4	0.2%
22	South Africa	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	Guatemala	2	0.1%
29	Belgium	2	0.1%
30	Brazil	2	0.1%
31	Austria	1	0.1%
32	Chile	1	0.1%
33	Italy	1	0.1%
34	Philippines	1	0.1%