Rank	Countries/Territories	Count	Percent
1	United States	341	29.8%
2	China	291	25.5%
3	Germany	76	6.6%
4	Singapore	59	5.2%
5	India	36	3.1%
6	Canada	33	2.9%
7	Belgium	33	2.9%
8	Netherlands	30	2.6%
9	Japan	27	2.4%
10	Brazil	24	2.1%
11	Malaysia	21	1.8%
12	France	20	1.7%
13	United Kingdom	18	1.6%
14	Portugal	17	1.5%
15	Spain	12	1%
16	Ireland	10	0.9%
17	Iran, Islamic Republic of	8	0.7%
18	Egypt	8	0.7%
19	Thailand	8	0.7%
20	Cyprus	7	0.6%
21	Mexico	7	0.6%
22	Australia	6	0.5%
23	Italy	5	0.4%
24	Korea, Republic of	4	0.3%
25	Hong Kong	4	0.3%
26	Sweden	3	0.3%
27	South Africa	3	0.3%
28	Taiwan	3	0.3%
29	Czech Republic	3	0.3%
30	Colombia	2	0.2%
31	Jordan	2	0.2%
32	Norway	2	0.2%
33	Oman	2	0.2%
34	Saudi Arabia	2	0.2%
35	Romania	1	0.1%
36	Russia	1	0.1%
37	Switzerland	1	0.1%
38	Ukraine	1	0.1%
39	Pakistan	1	0.1%
40	Poland	1	0.1%
41	Morocco	1	0.1%
42	Mauritius	1	0.1%
43	Latvia	1	0.1%
44	Iraq	1	0.1%
45	Cuba	1	0.1%
46	Chile	1	0.1%
47	Bahrain	1	0.1%
48	Denmark	1	0.1%
49	Indonesia	1	0.1%
50	Gibraltar	1	0.1%