Rank	Countries/Territories	Count	Percent
1	United States	406	47.2%
2	China	262	30.4%
3	Germany	79	9.2%
4	France	14	1.6%
5	Japan	13	1.5%
6	Canada	11	1.3%
7	Australia	9	1%
8	United Kingdom	9	1%
9	Singapore	6	0.7%
10	Argentina	6	0.7%
11	Netherlands	5	0.6%
12	Spain	4	0.5%
13	Turkey	3	0.3%
14	Palestine, State of	3	0.3%
15	Cyprus	3	0.3%
16	Mongolia	3	0.3%
17	Hong Kong	2	0.2%
18	India	2	0.2%
19	Iran, Islamic Republic of	2	0.2%
20	Italy	2	0.2%
21	Denmark	2	0.2%
22	Austria	2	0.2%
23	Philippines	2	0.2%
24	Nigeria	2	0.2%
25	Switzerland	2	0.2%
26	Ukraine	1	0.1%
27	Pakistan	1	0.1%
28	New Zealand	1	0.1%
29	Poland	1	0.1%
30	Russia	1	0.1%
31	Colombia	1	0.1%
32	Mexico	1	0.1%