Rank	Countries/Territories	Count	Percent
1	United States	437	36%
2	China	255	21%
3	Germany	112	9.2%
4	Spain	37	3%
5	Japan	31	2.6%
6	Egypt	22	1.8%
7	France	21	1.7%
8	Canada	20	1.6%
9	Sweden	20	1.6%
10	India	19	1.6%
11	Singapore	17	1.4%
12	United Kingdom	15	1.2%
13	Ukraine	14	1.2%
14	Netherlands	13	1.1%
15	Belgium	13	1.1%
16	Brazil	12	1%
17	Russia	12	1%
18	Australia	11	0.9%
19	Denmark	11	0.9%
20	Hong Kong	11	0.9%
21	Colombia	10	0.8%
22	Ireland	10	0.8%
23	Italy	9	0.7%
24	Poland	9	0.7%
25	Turkey	8	0.7%
26	Korea, Republic of	7	0.6%
27	Cyprus	6	0.5%
28	Dominican Republic	5	0.4%
29	New Zealand	4	0.3%
30	Taiwan	4	0.3%
31	Norway	3	0.2%
32	Lithuania	3	0.2%
33	Indonesia	3	0.2%
34	Finland	3	0.2%
35	Austria	3	0.2%
36	Argentina	2	0.2%
37	Iran, Islamic Republic of	2	0.2%
38	Pakistan	2	0.2%
39	Moldova, Republic of	2	0.2%
40	United Arab Emirates	2	0.2%
41	Morocco	2	0.2%
42	Romania	2	0.2%
43	Switzerland	2	0.2%
44	Saudi Arabia	1	0.1%
45	Qatar	1	0.1%
46	Thailand	1	0.1%
47	Mongolia	1	0.1%
48	Palestine, State of	1	0.1%
49	Philippines	1	0.1%
50	Israel	1	0.1%
51	Mexico	1	0.1%
52	Czech Republic	1	0.1%