Rank	Countries/Territories	Count	Percent
1	United States	392	45.8%
2	China	140	16.4%
3	Germany	67	7.8%
4	India	44	5.1%
5	France	26	3%
6	Netherlands	23	2.7%
7	United Kingdom	16	1.9%
8	Australia	15	1.8%
9	Japan	12	1.4%
10	Switzerland	12	1.4%
11	Ireland	11	1.3%
12	Canada	10	1.2%
13	Brazil	9	1.1%
14	Turkey	9	1.1%
15	Sweden	8	0.9%
16	Argentina	8	0.9%
17	Italy	5	0.6%
18	Iran, Islamic Republic of	5	0.6%
19	Singapore	5	0.6%
20	Korea, Republic of	5	0.6%
21	Romania	3	0.4%
22	Iraq	3	0.4%
23	Bosnia and Herzegovina	3	0.4%
24	Chile	3	0.4%
25	Cyprus	3	0.4%
26	Austria	2	0.2%
27	Hong Kong	2	0.2%
28	Portugal	2	0.2%
29	Syrian Arab Republic	2	0.2%
30	Mexico	2	0.2%
31	New Zealand	2	0.2%
32	Norway	2	0.2%
33	Pakistan	1	0.1%
34	Mongolia	1	0.1%
35	Lithuania	1	0.1%
36	Russia	1	0.1%
37	Denmark	1	0.1%