Rank	Countries/Territories	Count	Percent
1	United States	426	44.7%
2	China	196	20.6%
3	Germany	119	12.5%
4	Australia	36	3.8%
5	United Kingdom	22	2.3%
6	Canada	18	1.9%
7	Netherlands	17	1.8%
8	Spain	16	1.7%
9		15	1.6%
10	Japan	13	1.4%
11	France	11	1.2%
12	Singapore	8	0.8%
13	Ukraine	6	0.6%
14	Italy	5	0.5%
15	Ireland	5	0.5%
16	India	4	0.4%
17	Iran, Islamic Republic of	3	0.3%
18	Iraq	3	0.3%
19	Brazil	3	0.3%
20	Nepal	3	0.3%
21	Russia	3	0.3%
22	Saudi Arabia	2	0.2%
23	Taiwan	2	0.2%
24	Turkey	2	0.2%
25	Philippines	2	0.2%
26	Romania	2	0.2%
27	Cyprus	2	0.2%
28	Indonesia	2	0.2%
29	Hong Kong	1	0.1%
30	Hungary	1	0.1%
31	Israel	1	0.1%
32	Denmark	1	0.1%
33	Finland	1	0.1%
34	Norway	1	0.1%
35	Mexico	1	0.1%