Rank	Countries/Territories	Count	Percent
1	United States	391	32.8%
2	China	333	28%
3	Italy	88	7.4%
4	Germany	68	5.7%
5	Japan	55	4.6%
6	India	33	2.8%
7	Russia	26	2.2%
8	Canada	16	1.3%
9	Singapore	14	1.2%
10	United Kingdom	14	1.2%
11	Spain	11	0.9%
12	Netherlands	10	0.8%
13	France	9	0.8%
14	Taiwan	9	0.8%
15	Norway	7	0.6%
16	Peru	7	0.6%
17	Hong Kong	6	0.5%
18	Chile	6	0.5%
19	Turkey	5	0.4%
20	Viet Nam	4	0.3%
21	Thailand	4	0.3%
22	Argentina	4	0.3%
23	Australia	4	0.3%
24	Czech Republic	4	0.3%
25	Philippines	4	0.3%
26	Poland	4	0.3%
27	Romania	4	0.3%
28	Iran, Islamic Republic of	4	0.3%
29	Korea, Republic of	4	0.3%
30	Israel	3	0.3%
31	Pakistan	3	0.3%
32	Egypt	3	0.3%
33	Brazil	3	0.3%
34	Cyprus	3	0.3%
35	Saudi Arabia	3	0.3%
36	Tunisia	2	0.2%
37	Sweden	2	0.2%
38	Croatia	2	0.2%
39	Portugal	2	0.2%
40	Malaysia	2	0.2%
41	Kazakhstan	2	0.2%
42	Ireland	2	0.2%
43	Indonesia	2	0.2%
44	Mongolia	1	0.1%
45	Belgium	1	0.1%
46	Denmark	1	0.1%
47	Iceland	1	0.1%
48	Greece	1	0.1%
49	Switzerland	1	0.1%
50	Serbia	1	0.1%
51	Slovakia	1	0.1%
52	United Arab Emirates	1	0.1%