Rank	Countries/Territories	Count	Percent
1	United States	320	36.6%
2	China	297	34%
3	Germany	61	7%
4	Japan	23	2.6%
5		18	2.1%
6	Singapore	16	1.8%
7	France	15	1.7%
8	United Kingdom	14	1.6%
9	Poland	11	1.3%
10	Netherlands	10	1.1%
11	Korea, Republic of	9	1%
12	India	8	0.9%
13	Sweden	8	0.9%
14	Nepal	7	0.8%
15	Cyprus	6	0.7%
16	Taiwan	5	0.6%
17	Ireland	4	0.5%
18	Syrian Arab Republic	4	0.5%
19	New Zealand	4	0.5%
20	Canada	4	0.5%
21	Australia	4	0.5%
22	Brazil	3	0.3%
23	Egypt	3	0.3%
24	Iraq	3	0.3%
25	Ecuador	2	0.2%
26	Norway	2	0.2%
27	Spain	2	0.2%
28	Switzerland	2	0.2%
29	Viet Nam	2	0.2%
30	Russia	1	0.1%
31	Oman	1	0.1%
32	Palestine, State of	1	0.1%
33	Nigeria	1	0.1%
34	Argentina	1	0.1%
35	Iran, Islamic Republic of	1	0.1%
36	Hong Kong	1	0.1%