Rank	Countries/Territories	Count	Percent
1	United States	420	31%
2	China	289	21.3%
3	Germany	154	11.4%
4	India	95	7%
5	Singapore	64	4.7%
6	Netherlands	34	2.5%
7	Canada	29	2.1%
8	United Kingdom	23	1.7%
9	Japan	18	1.3%
10	Korea, Republic of	16	1.2%
11	Switzerland	16	1.2%
12	France	15	1.1%
13	Bahrain	15	1.1%
14	Russia	14	1%
15	Ireland	14	1%
16	Australia	13	1%
17	Brazil	12	0.9%
18	Italy	11	0.8%
19	Azerbaijan	9	0.7%
20	Sweden	9	0.7%
21	Turkey	7	0.5%
22	Iran, Islamic Republic of	6	0.4%
23	Norway	6	0.4%
24	Cyprus	5	0.4%
25	Taiwan	5	0.4%
26	Spain	5	0.4%
27	Slovakia	4	0.3%
28	Israel	4	0.3%
29	Kazakhstan	3	0.2%
30	Pakistan	3	0.2%
31	Malaysia	3	0.2%
32	Mexico	3	0.2%
33	Belgium	3	0.2%
34	Thailand	3	0.2%
35	Uganda	3	0.2%
36	South Africa	2	0.1%
37	Romania	2	0.1%
38	Austria	2	0.1%
39	Algeria	2	0.1%
40	Argentina	2	0.1%
41	Hong Kong	2	0.1%
42	Indonesia	2	0.1%
43	Serbia	1	0.1%
44	Peru	1	0.1%
45	Denmark	1	0.1%
46	Ecuador	1	0.1%
47	Colombia	1	0.1%
48	Croatia	1	0.1%
49	Ukraine	1	0.1%
50	Viet Nam	1	0.1%