Rank	Countries/Territories	Count	Percent
1	United States	338	40.1%
2	China	154	18.3%
3	Germany	120	14.3%
4	Singapore	34	4%
5	Netherlands	27	3.2%
6	Egypt	25	3%
7	Japan	22	2.6%
8	Korea, Republic of	22	2.6%
9	United Kingdom	13	1.5%
10	France	12	1.4%
11	Australia	10	1.2%
12	Ireland	9	1.1%
13	Israel	8	1%
14	Russia	6	0.7%
15	Iraq	5	0.6%
16	India	4	0.5%
17	Hong Kong	3	0.4%
18	Denmark	3	0.4%
19	Canada	3	0.4%
20	Romania	3	0.4%
21	Mongolia	2	0.2%
22	Argentina	2	0.2%
23	Ecuador	2	0.2%
24	Italy	2	0.2%
25	Greece	2	0.2%
26	Bangladesh	1	0.1%
27	Belgium	1	0.1%
28	Brazil	1	0.1%
29	Bulgaria	1	0.1%
30	New Zealand	1	0.1%
31	Lithuania	1	0.1%
32	Kazakhstan	1	0.1%
33	South Africa	1	0.1%
34	Sri Lanka	1	0.1%
35	Turkey	1	0.1%
36	Ukraine	1	0.1%