Rank	Countries/Territories	Count	Percent
1	United States	311	34.2%
2	China	250	27.5%
3	Germany	166	18.3%
4	India	48	5.3%
5	Canada	23	2.5%
6	Japan	19	2.1%
7	France	16	1.8%
8	Italy	14	1.5%
9	Cyprus	11	1.2%
10	Netherlands	6	0.7%
11	Lithuania	4	0.4%
12	Argentina	4	0.4%
13	Australia	4	0.4%
14	Colombia	3	0.3%
15	Mongolia	3	0.3%
16	Palestine, State of	3	0.3%
17	Spain	3	0.3%
18	Poland	3	0.3%
19	Singapore	2	0.2%
20	Sweden	2	0.2%
21	Ukraine	2	0.2%
22	Hong Kong	2	0.2%
23	Lebanon	2	0.2%
24	Iran, Islamic Republic of	2	0.2%
25	Ireland	2	0.2%
26	Indonesia	1	0.1%
27	United Kingdom	1	0.1%
28	Philippines	1	0.1%
29	Romania	1	0.1%