Rank	Countries/Territories	Count	Percent
1	United States	512	46.5%
2	China	346	31.5%
3	Germany	63	5.7%
4	Canada	26	2.4%
5	Japan	21	1.9%
6	Netherlands	21	1.9%
7	Taiwan	21	1.9%
8	India	18	1.6%
9	France	9	0.8%
10	Switzerland	9	0.8%
11	Singapore	6	0.5%
12	Russia	5	0.5%
13	Australia	5	0.5%
14	Cyprus	5	0.5%
15	Thailand	4	0.4%
16	Sweden	3	0.3%
17	United Kingdom	3	0.3%
18	Hong Kong	3	0.3%
19	Argentina	3	0.3%
20	Mongolia	3	0.3%
21	Morocco	2	0.2%
22	Nigeria	2	0.2%
23	Ireland	1	0.1%
24	Italy	1	0.1%
25	Korea, Republic of	1	0.1%
26	Lebanon	1	0.1%
27	Brazil	1	0.1%
28	Venezuela, Bolivarian Republic of	1	0.1%
29	Ukraine	1	0.1%
30	Saudi Arabia	1	0.1%
31	South Africa	1	0.1%
32	Spain	1	0.1%