Rank	Countries/Territories	Count	Percent
1	United States	336	38.8%
2	China	269	31%
3	Germany	35	4%
4	Singapore	27	3.1%
5	India	23	2.7%
6	Japan	12	1.4%
7	United Kingdom	12	1.4%
8	Canada	11	1.3%
9	Israel	10	1.2%
10	Russia	10	1.2%
11	Italy	9	1%
12	Brazil	9	1%
13	Spain	9	1%
14	Taiwan	8	0.9%
15	South Africa	7	0.8%
16	Turkey	7	0.8%
17	Korea, Republic of	7	0.8%
18	Australia	6	0.7%
19	Romania	6	0.7%
20	Ireland	5	0.6%
21	Netherlands	5	0.6%
22	Hong Kong	4	0.5%
23	Iran, Islamic Republic of	4	0.5%
24	Chile	4	0.5%
25	France	3	0.3%
26	Mexico	3	0.3%
27	Nigeria	2	0.2%
28	Portugal	2	0.2%
29	Malta	2	0.2%
30	Egypt	2	0.2%
31	Slovakia	2	0.2%
32	Thailand	1	0.1%
33	Switzerland	1	0.1%
34	Ukraine	1	0.1%
35	Greece	1	0.1%
36	Cyprus	1	0.1%
37	Czech Republic	1	0.1%
38	Ecuador	1	0.1%
39	Albania	1	0.1%
40	Bahrain	1	0.1%
41	Bangladesh	1	0.1%
42	Belgium	1	0.1%
43	Bosnia and Herzegovina	1	0.1%
44	Indonesia	1	0.1%
45	Saudi Arabia	1	0.1%
46	Palestine, State of	1	0.1%
47	Mongolia	1	0.1%