Rank	Countries/Territories	Count	Percent
1	United States	456	41.2%
2	China	237	21.4%
3	Germany	114	10.3%
4	India	67	6%
5	Japan	26	2.3%
6	Canada	22	2%
7	France	17	1.5%
8	Italy	17	1.5%
9	Netherlands	17	1.5%
10	Spain	17	1.5%
11	United Kingdom	16	1.4%
12	Korea, Republic of	13	1.2%
13	Ireland	11	1%
14	Cyprus	9	0.8%
15	Brazil	9	0.8%
16	Norway	8	0.7%
17	Russia	7	0.6%
18	Turkey	7	0.6%
19	Iran, Islamic Republic of	6	0.5%
20	Austria	4	0.4%
21	Egypt	4	0.4%
22	Argentina	3	0.3%
23	Romania	3	0.3%
24	Taiwan	3	0.3%
25	Ukraine	2	0.2%
26	Saudi Arabia	2	0.2%
27	Singapore	2	0.2%
28	Poland	2	0.2%
29	Belgium	2	0.2%
30	Greece	1	0.1%
31	Hong Kong	1	0.1%
32	Portugal	1	0.1%
33	Philippines	1	0.1%
34	Switzerland	1	0.1%