Rank	Countries/Territories	Count	Percent
1	United States	649	48.7%
2	China	220	16.5%
3	Germany	96	7.2%
4	Australia	73	5.5%
5	Japan	43	3.2%
6	Netherlands	36	2.7%
7	Canada	32	2.4%
8	United Kingdom	21	1.6%
9	Russia	19	1.4%
10	Switzerland	14	1.1%
11	Singapore	12	0.9%
12	France	11	0.8%
13	Portugal	10	0.8%
14	Norway	9	0.7%
15	India	9	0.7%
16	Ireland	9	0.7%
17	Hong Kong	7	0.5%
18	Poland	6	0.5%
19	Denmark	5	0.4%
20	Cyprus	4	0.3%
21	Belgium	4	0.3%
22	Saudi Arabia	4	0.3%
23	Latvia	4	0.3%
24	Taiwan	4	0.3%
25	Turkey	3	0.2%
26	Sweden	3	0.2%
27	Iran, Islamic Republic of	3	0.2%
28	New Zealand	3	0.2%
29	Austria	3	0.2%
30	Argentina	2	0.2%
31	Pakistan	2	0.2%
32	Korea, Republic of	2	0.2%
33	Malaysia	2	0.2%
34	Mongolia	1	0.1%
35	Lithuania	1	0.1%
36	Jordan	1	0.1%
37	Brazil	1	0.1%
38	Italy	1	0.1%
39	Indonesia	1	0.1%
40	Spain	1	0.1%
41	Ukraine	1	0.1%