Rank	Countries/Territories	Count	Percent
1	United States	472	47.3%
2	China	142	14.2%
3	Japan	46	4.6%
4	Germany	45	4.5%
5	France	44	4.4%
6	Spain	42	4.2%
7	Romania	33	3.3%
8	United Kingdom	16	1.6%
9	Australia	16	1.6%
10	Singapore	15	1.5%
11	Ukraine	14	1.4%
12	Nepal	11	1.1%
13	Russia	10	1%
14	Slovakia	10	1%
15	Canada	10	1%
16	Jordan	9	0.9%
17	Hong Kong	8	0.8%
18	Brazil	8	0.8%
19	Netherlands	8	0.8%
20	Belgium	7	0.7%
21	India	5	0.5%
22	Denmark	5	0.5%
23	Bangladesh	4	0.4%
24	Bulgaria	3	0.3%
25	Cyprus	2	0.2%
26	Czech Republic	2	0.2%
27	Mongolia	2	0.2%
28	Iran, Islamic Republic of	2	0.2%
29	Ireland	2	0.2%
30	Italy	2	0.2%
31	Oman	2	0.2%
32	Nigeria	1	0.1%