Rank	Countries/Territories	Count	Percent
1	United States	292	43.2%
2	China	161	23.8%
3	Germany	48	7.1%
4	Canada	20	3%
5	India	17	2.5%
6	Japan	16	2.4%
7	Singapore	12	1.8%
8	France	11	1.6%
9	Taiwan	10	1.5%
10	Netherlands	10	1.5%
11	Spain	9	1.3%
12	Russia	7	1%
13	Ireland	6	0.9%
14	Australia	6	0.9%
15	Greece	5	0.7%
16	Egypt	4	0.6%
17	Iran, Islamic Republic of	4	0.6%
18	Mexico	4	0.6%
19	Korea, Republic of	3	0.4%
20	Lithuania	3	0.4%
21	Cyprus	3	0.4%
22	United Kingdom	3	0.4%
23	Belgium	2	0.3%
24	Cambodia	2	0.3%
25	Indonesia	2	0.3%
26	Philippines	2	0.3%
27	Romania	2	0.3%
28	Tunisia	2	0.3%
29	Turkey	2	0.3%
30	Saudi Arabia	1	0.1%
31	Malaysia	1	0.1%
32	New Zealand	1	0.1%
33	Pakistan	1	0.1%
34	Hong Kong	1	0.1%
35	Ghana	1	0.1%
36	Brazil	1	0.1%
37	Georgia	1	0.1%