Rank	Countries/Territories	Count	Percent
1	United States	480	49.7%
2	China	201	20.8%
3	Germany	80	8.3%
4	India	41	4.2%
5	France	37	3.8%
6	Netherlands	23	2.4%
7	United Kingdom	16	1.7%
8	Singapore	14	1.5%
9	Ireland	8	0.8%
10	Romania	7	0.7%
11	Russia	6	0.6%
12	Japan	6	0.6%
13	Australia	6	0.6%
14	Taiwan	5	0.5%
15	Pakistan	4	0.4%
16	Finland	4	0.4%
17	Denmark	3	0.3%
18	Puerto Rico	3	0.3%
19	South Africa	3	0.3%
20	Morocco	2	0.2%
21	Malaysia	2	0.2%
22	Ethiopia	2	0.2%
23	Cyprus	2	0.2%
24	Canada	1	0.1%
25	Argentina	1	0.1%
26	Egypt	1	0.1%
27	Hong Kong	1	0.1%
28	Korea, Republic of	1	0.1%
29	Mexico	1	0.1%
30	New Zealand	1	0.1%
31	Norway	1	0.1%
32	Switzerland	1	0.1%
33	Turkey	1	0.1%