Rank	Countries/Territories	Count	Percent
1	United States	509	43%
2	China	289	24.4%
3	Germany	138	11.7%
4	Australia	65	5.5%
5	India	47	4%
6	Singapore	21	1.8%
7	Netherlands	17	1.4%
8	Canada	13	1.1%
9	France	12	1%
10	Japan	11	0.9%
11	Sweden	10	0.8%
12	Austria	7	0.6%
13	Taiwan	5	0.4%
14	Poland	5	0.4%
15	Belgium	4	0.3%
16	Bangladesh	3	0.3%
17	Cyprus	3	0.3%
18	Malaysia	3	0.3%
19	Mexico	3	0.3%
20	Ukraine	2	0.2%
21	Dominican Republic	2	0.2%
22	Egypt	2	0.2%
23	Brazil	2	0.2%
24	Korea, Republic of	2	0.2%
25	Iran, Islamic Republic of	2	0.2%
26	Ireland	1	0.1%
27	Italy	1	0.1%
28	Denmark	1	0.1%
29	Norway	1	0.1%
30	Palestine, State of	1	0.1%
31	Philippines	1	0.1%
32	Mongolia	1	0.1%