Rank	Countries/Territories	Count	Percent
1	United States	479	31.7%
2	China	394	26.1%
3	Germany	118	7.8%
4	Australia	101	6.7%
5	India	36	2.4%
6	Romania	26	1.7%
7	Turkey	24	1.6%
8	Japan	24	1.6%
9	Spain	22	1.5%
10	Sweden	22	1.5%
11	Netherlands	21	1.4%
12	France	19	1.3%
13	Brazil	15	1%
14	Singapore	15	1%
15	United Kingdom	14	0.9%
16	Czech Republic	14	0.9%
17	Russia	12	0.8%
18	Poland	11	0.7%
19	Korea, Republic of	9	0.6%
20	Ireland	9	0.6%
21	Israel	9	0.6%
22	Canada	8	0.5%
23	Thailand	8	0.5%
24	Taiwan	7	0.5%
25	Italy	7	0.5%
26	Iran, Islamic Republic of	7	0.5%
27	Palestine, State of	7	0.5%
28	Mexico	6	0.4%
29	Morocco	6	0.4%
30	Cyprus	6	0.4%
31	Hong Kong	6	0.4%
32	Greece	5	0.3%
33	Colombia	4	0.3%
34	Indonesia	4	0.3%
35	Lebanon	4	0.3%
36	Portugal	4	0.3%
37	Slovenia	3	0.2%
38	Ukraine	3	0.2%
39	Algeria	3	0.2%
40	Argentina	2	0.1%
41	Hungary	2	0.1%
42	Luxembourg	2	0.1%
43	Latvia	2	0.1%
44	Pakistan	2	0.1%
45	Uganda	2	0.1%
46	Saudi Arabia	1	0.1%
47	Philippines	1	0.1%
48	New Zealand	1	0.1%
49	Malaysia	1	0.1%
50	Belgium	1	0.1%
51	Cambodia	1	0.1%