Rank	Countries/Territories	Count	Percent
1	United States	510	33.5%
2	China	390	25.6%
3	Germany	101	6.6%
4	Netherlands	56	3.7%
5	Canada	51	3.3%
6	United Kingdom	47	3.1%
7	Australia	37	2.4%
8	France	30	2%
9	Japan	30	2%
10	India	21	1.4%
11	Sweden	18	1.2%
12	Indonesia	17	1.1%
13	Ireland	17	1.1%
14	Taiwan	15	1%
15		13	0.9%
16	Costa Rica	12	0.8%
17	Israel	12	0.8%
18	Hong Kong	11	0.7%
19	Spain	11	0.7%
20	Korea, Republic of	10	0.7%
21	Turkey	9	0.6%
22	Singapore	8	0.5%
23	Pakistan	7	0.5%
24	Cyprus	7	0.5%
25	Colombia	7	0.5%
26	Philippines	6	0.4%
27	Portugal	6	0.4%
28	Malaysia	5	0.3%
29	Italy	5	0.3%
30	Argentina	5	0.3%
31	Ethiopia	4	0.3%
32	Finland	4	0.3%
33	Mongolia	4	0.3%
34	Ukraine	4	0.3%
35	South Africa	3	0.2%
36	Poland	3	0.2%
37	Iran, Islamic Republic of	3	0.2%
38	Mexico	3	0.2%
39	Denmark	3	0.2%
40	Ghana	3	0.2%
41	Brazil	3	0.2%
42	Austria	2	0.1%
43	Slovakia	2	0.1%
44	Thailand	2	0.1%
45	Viet Nam	2	0.1%
46	United Arab Emirates	1	0.1%
47	Switzerland	1	0.1%
48	New Zealand	1	0.1%
49	Hungary	1	0.1%