Rank	Countries/Territories	Count	Percent
1	United States	284	34.2%
2	China	258	31%
3	Japan	39	4.7%
4		26	3.1%
5	Australia	25	3%
6	Germany	19	2.3%
7	Korea, Republic of	18	2.2%
8	Switzerland	18	2.2%
9	United Kingdom	17	2%
10	India	11	1.3%
11	Philippines	10	1.2%
12	Netherlands	9	1.1%
13	France	7	0.8%
14	Canada	7	0.8%
15	Costa Rica	6	0.7%
16	Ireland	6	0.7%
17	Taiwan	6	0.7%
18	Saudi Arabia	6	0.7%
19	Singapore	6	0.7%
20	Spain	6	0.7%
21	Thailand	5	0.6%
22	Russia	5	0.6%
23	Indonesia	5	0.6%
24	Argentina	4	0.5%
25	Israel	4	0.5%
26	Ukraine	4	0.5%
27	Norway	3	0.4%
28	Algeria	3	0.4%
29	Iran, Islamic Republic of	3	0.4%
30	Turkey	2	0.2%
31	Slovakia	1	0.1%
32	Italy	1	0.1%
33	Poland	1	0.1%
34	Romania	1	0.1%
35	Hong Kong	1	0.1%
36	Moldova, Republic of	1	0.1%
37	Morocco	1	0.1%
38	Austria	1	0.1%
39	Bangladesh	1	0.1%