Rank	Countries/Territories	Count	Percent
1	United States	561	42.2%
2	China	215	16.2%
3	Germany	152	11.4%
4	Canada	46	3.5%
5	Singapore	42	3.2%
6	India	38	2.9%
7	France	35	2.6%
8	Netherlands	32	2.4%
9	Russia	22	1.7%
10	Japan	21	1.6%
11	Ireland	20	1.5%
12	Australia	15	1.1%
13	Italy	11	0.8%
14	Cyprus	10	0.8%
15	Brazil	7	0.5%
16	Korea, Republic of	7	0.5%
17	Mexico	6	0.5%
18	Taiwan	6	0.5%
19	United Kingdom	5	0.4%
20	Pakistan	5	0.4%
21	Lebanon	5	0.4%
22	Indonesia	5	0.4%
23	Argentina	5	0.4%
24	Romania	4	0.3%
25	Viet Nam	4	0.3%
26	Spain	3	0.2%
27	Sweden	3	0.2%
28	Chile	3	0.2%
29	Guatemala	3	0.2%
30	Iran, Islamic Republic of	3	0.2%
31	Malaysia	3	0.2%
32	Nicaragua	3	0.2%
33	Nigeria	3	0.2%
34	Hong Kong	2	0.2%
35	Dominican Republic	2	0.2%
36	Armenia	2	0.2%
37	South Africa	2	0.2%
38	South Sudan	2	0.2%
39	Poland	2	0.2%
40	Peru	2	0.2%
41	Philippines	1	0.1%
42	Uganda	1	0.1%
43	Ukraine	1	0.1%
44	Bangladesh	1	0.1%
45	Cameroon	1	0.1%
46	Ethiopia	1	0.1%
47	Colombia	1	0.1%
48	Hungary	1	0.1%
49	Mongolia	1	0.1%
50	Latvia	1	0.1%
51	Israel	1	0.1%
52	Jordan	1	0.1%
53	Kenya	1	0.1%