Rank	Countries/Territories	Count	Percent
1	United States	564	37.4%
2	China	193	12.8%
3	Germany	111	7.4%
4	Japan	103	6.8%
5	Australia	76	5%
6	France	50	3.3%
7	Romania	47	3.1%
8	United Kingdom	38	2.5%
9	Singapore	37	2.5%
10	Spain	36	2.4%
11	Sweden	32	2.1%
12	Mexico	29	1.9%
13	Netherlands	29	1.9%
14	Brazil	17	1.1%
15	Turkey	14	0.9%
16	Denmark	12	0.8%
17	Iran, Islamic Republic of	11	0.7%
18	Canada	8	0.5%
19	Korea, Republic of	8	0.5%
20	Poland	8	0.5%
21	Italy	7	0.5%
22	New Zealand	7	0.5%
23	Ukraine	7	0.5%
24	Pakistan	6	0.4%
25	Kazakhstan	6	0.4%
26	Ireland	6	0.4%
27	India	5	0.3%
28	Cyprus	5	0.3%
29	Finland	5	0.3%
30	Malaysia	5	0.3%
31	Saudi Arabia	5	0.3%
32	Colombia	4	0.3%
33	Egypt	3	0.2%
34	Belgium	3	0.2%
35	Switzerland	3	0.2%
36	Mongolia	2	0.1%
37	Russia	2	0.1%
38	Viet Nam	1	0.1%
39	Thailand	1	0.1%
40	Panama	1	0.1%
41	Fiji	1	0.1%
42	Hong Kong	1	0.1%