Rank	Countries/Territories	Count	Percent
1	United States	393	40.2%
2	China	285	29.1%
3	Germany	49	5%
4	Singapore	27	2.8%
5	India	25	2.6%
6	Japan	18	1.8%
7	United Kingdom	15	1.5%
8	Canada	13	1.3%
9	Brazil	10	1%
10	Israel	10	1%
11	Russia	10	1%
12	Spain	9	0.9%
13	Taiwan	9	0.9%
14	Italy	9	0.9%
15	Korea, Republic of	8	0.8%
16	Turkey	7	0.7%
17	South Africa	7	0.7%
18	Romania	6	0.6%
19	Iran, Islamic Republic of	6	0.6%
20	Australia	6	0.6%
21	Ireland	5	0.5%
22	Netherlands	5	0.5%
23	Hong Kong	4	0.4%
24	Chile	4	0.4%
25	France	3	0.3%
26	Mexico	3	0.3%
27	Portugal	3	0.3%
28	Palestine, State of	2	0.2%
29	Nigeria	2	0.2%
30	Malta	2	0.2%
31	Egypt	2	0.2%
32	Slovakia	2	0.2%
33	Thailand	2	0.2%
34	Ukraine	1	0.1%
35	Saudi Arabia	1	0.1%
36	Switzerland	1	0.1%
37	Greece	1	0.1%
38	Cyprus	1	0.1%
39	Czech Republic	1	0.1%
40	Denmark	1	0.1%
41	Ecuador	1	0.1%
42	Albania	1	0.1%
43	Bahrain	1	0.1%
44	Bangladesh	1	0.1%
45	Belgium	1	0.1%
46	Bosnia and Herzegovina	1	0.1%
47	Mongolia	1	0.1%
48	Norway	1	0.1%
49	Indonesia	1	0.1%
50	Latvia	1	0.1%