Rank	Countries/Territories	Count	Percent
1	United States	569	37.3%
2	China	390	25.6%
3	Germany	139	9.1%
4	India	67	4.4%
5	Hong Kong	50	3.3%
6	Japan	27	1.8%
7	Netherlands	25	1.6%
8	United Kingdom	24	1.6%
9	Ukraine	18	1.2%
10	Singapore	17	1.1%
11	Taiwan	17	1.1%
12	Australia	17	1.1%
13	Ireland	16	1%
14	Korea, Republic of	16	1%
15	Indonesia	15	1%
16	Romania	13	0.9%
17	Canada	12	0.8%
18	Italy	11	0.7%
19	Cyprus	7	0.5%
20	Czech Republic	6	0.4%
21	Philippines	6	0.4%
22	Poland	5	0.3%
23	Spain	5	0.3%
24	Malaysia	5	0.3%
25	Kazakhstan	5	0.3%
26	France	5	0.3%
27	Switzerland	4	0.3%
28	Turkey	3	0.2%
29	Argentina	3	0.2%
30	Iran, Islamic Republic of	3	0.2%
31	Ecuador	3	0.2%
32	Egypt	2	0.1%
33	Brazil	2	0.1%
34	Iceland	2	0.1%
35	Pakistan	2	0.1%
36	Mongolia	2	0.1%
37	Nepal	2	0.1%
38	Tunisia	2	0.1%
39	Russia	2	0.1%
40	Viet Nam	2	0.1%
41	Puerto Rico	1	0.1%
42	Sweden	1	0.1%
43	Chile	1	0.1%