Rank	Countries/Territories	Count	Percent
1	United States	570	47.7%
2	China	233	19.5%
3	Germany	123	10.3%
4	Canada	42	3.5%
5	Hong Kong	26	2.2%
6	Netherlands	25	2.1%
7	France	24	2%
8	Korea, Republic of	19	1.6%
9	Serbia	15	1.3%
10	Switzerland	11	0.9%
11	Cyprus	10	0.8%
12	Japan	8	0.7%
13	United Kingdom	8	0.7%
14	Singapore	8	0.7%
15	Egypt	7	0.6%
16	Argentina	6	0.5%
17	Ireland	6	0.5%
18	India	6	0.5%
19	Jordan	5	0.4%
20	Ukraine	5	0.4%
21	Slovakia	4	0.3%
22	Italy	4	0.3%
23	Australia	4	0.3%
24	Brazil	4	0.3%
25	Iran, Islamic Republic of	3	0.3%
26	Russia	3	0.3%
27	Pakistan	3	0.3%
28	Portugal	2	0.2%
29	Lithuania	2	0.2%
30	Malaysia	2	0.2%
31	South Africa	2	0.2%
32	Spain	2	0.2%
33	Mongolia	1	0.1%
34	Hungary	1	0.1%
35	Austria	1	0.1%
36	Greece	1	0.1%