Rank	Countries/Territories	Count	Percent
1	United States	390	54.2%
2	China	73	10.1%
3	Germany	55	7.6%
4	India	42	5.8%
5	Japan	24	3.3%
6	Canada	23	3.2%
7	Australia	14	1.9%
8	United Kingdom	13	1.8%
9	Brazil	9	1.2%
10	Korea, Republic of	8	1.1%
11	Netherlands	7	1%
12	Singapore	7	1%
13	Spain	6	0.8%
14	Hong Kong	6	0.8%
15	Ireland	5	0.7%
16	Philippines	4	0.6%
17	Serbia	4	0.6%
18	Sri Lanka	3	0.4%
19	Cyprus	3	0.4%
20	Iran, Islamic Republic of	3	0.4%
21	Indonesia	2	0.3%
22	Argentina	2	0.3%
23	Saudi Arabia	2	0.3%
24	Italy	2	0.3%
25	Norway	2	0.3%
26	Poland	1	0.1%
27	Puerto Rico	1	0.1%
28	Romania	1	0.1%
29	South Africa	1	0.1%
30	Switzerland	1	0.1%
31	Taiwan	1	0.1%
32	Ukraine	1	0.1%
33	Iraq	1	0.1%
34	Mexico	1	0.1%
35	Mongolia	1	0.1%
36	Nepal	1	0.1%