Rank	Countries/Territories	Count	Percent
1	United States	346	43.4%
2	China	179	22.4%
3	Germany	95	11.9%
4	India	20	2.5%
5	Netherlands	18	2.3%
6	Canada	16	2%
7	France	16	2%
8	Egypt	12	1.5%
9	Mexico	11	1.4%
10	Australia	9	1.1%
11	Pakistan	7	0.9%
12	Ireland	7	0.9%
13	Japan	7	0.9%
14	Singapore	7	0.9%
15	Switzerland	5	0.6%
16	Thailand	4	0.5%
17	Ukraine	4	0.5%
18	Sweden	4	0.5%
19	Romania	3	0.4%
20	Iraq	3	0.4%
21	Palestine, State of	3	0.4%
22	Cyprus	3	0.4%
23	Bangladesh	2	0.3%
24	Bulgaria	2	0.3%
25	Hungary	2	0.3%
26	Philippines	2	0.3%
27	Saudi Arabia	2	0.3%
28	United Kingdom	2	0.3%
29	Zimbabwe	2	0.3%
30	Taiwan	1	0.1%
31	Moldova, Republic of	1	0.1%
32	Mongolia	1	0.1%
33	Spain	1	0.1%
34	Kenya	1	0.1%