Rank	Countries/Territories	Count	Percent
1	United States	447	41%
2	China	236	21.6%
3	Germany	137	12.6%
4	Singapore	35	3.2%
5	Japan	33	3%
6	Netherlands	27	2.5%
7	Korea, Republic of	26	2.4%
8	Egypt	25	2.3%
9	France	16	1.5%
10	United Kingdom	16	1.5%
11	Australia	12	1.1%
12	Ireland	9	0.8%
13	Israel	8	0.7%
14	Russia	8	0.7%
15	India	6	0.5%
16	Turkey	6	0.5%
17	Iraq	5	0.5%
18	Mongolia	4	0.4%
19	Hong Kong	3	0.3%
20	Italy	3	0.3%
21	Romania	3	0.3%
22	Denmark	3	0.3%
23	Canada	3	0.3%
24	Argentina	2	0.2%
25	Cyprus	2	0.2%
26	Ecuador	2	0.2%
27	Greece	2	0.2%
28	Bangladesh	1	0.1%
29	Belgium	1	0.1%
30	Brazil	1	0.1%
31	Bulgaria	1	0.1%
32	New Zealand	1	0.1%
33	South Africa	1	0.1%
34	Sri Lanka	1	0.1%
35	Taiwan	1	0.1%
36	Kazakhstan	1	0.1%
37	Lithuania	1	0.1%
38	Mexico	1	0.1%
39	Ukraine	1	0.1%