Rank	Countries/Territories	Count	Percent
1	United States	531	35.4%
2	China	449	29.9%
3	Germany	127	8.5%
4	France	36	2.4%
5	Canada	36	2.4%
6	Japan	23	1.5%
7	United Kingdom	23	1.5%
8	Netherlands	21	1.4%
9	Ireland	18	1.2%
10	Iran, Islamic Republic of	16	1.1%
11	India	15	1%
12	Hong Kong	14	0.9%
13	Korea, Republic of	12	0.8%
14	Palestine, State of	11	0.7%
15	Singapore	11	0.7%
16	Sweden	10	0.7%
17	Peru	10	0.7%
18	Russia	9	0.6%
19	Bangladesh	9	0.6%
20	Brazil	9	0.6%
21	Czech Republic	9	0.6%
22	Turkey	8	0.5%
23	Austria	7	0.5%
24	Jordan	6	0.4%
25	Romania	6	0.4%
26	Italy	5	0.3%
27	Denmark	5	0.3%
28	Cyprus	4	0.3%
29	Greece	4	0.3%
30	Australia	4	0.3%
31	Malaysia	4	0.3%
32	Norway	4	0.3%
33	Saudi Arabia	4	0.3%
34	Switzerland	3	0.2%
35	Taiwan	3	0.2%
36	Tunisia	3	0.2%
37	Viet Nam	3	0.2%
38	Nigeria	3	0.2%
39	Mauritius	3	0.2%
40	Israel	3	0.2%
41	Croatia	3	0.2%
42	Colombia	2	0.1%
43	Indonesia	2	0.1%
44	Uganda	2	0.1%
45	Ukraine	2	0.1%
46	South Africa	2	0.1%
47	Philippines	1	0.1%
48	Portugal	1	0.1%
49	Mexico	1	0.1%
50	Mongolia	1	0.1%
51	Pakistan	1	0.1%
52	Chile	1	0.1%
53	Algeria	1	0.1%