Rank	Countries/Territories	Count	Percent
1	United States	447	42.1%
2	China	323	30.4%
3	Germany	103	9.7%
4	India	26	2.4%
5	France	18	1.7%
6	Korea, Republic of	17	1.6%
7	Ireland	16	1.5%
8	Canada	14	1.3%
9	Netherlands	12	1.1%
10	United Kingdom	11	1%
11	Argentina	10	0.9%
12	Italy	10	0.9%
13	Australia	8	0.8%
14	Japan	5	0.5%
15	Iran, Islamic Republic of	4	0.4%
16	Hong Kong	4	0.4%
17	Cyprus	4	0.4%
18	Saudi Arabia	4	0.4%
19	Singapore	3	0.3%
20	Norway	3	0.3%
21	Ukraine	3	0.3%
22	Tunisia	3	0.3%
23	Turkey	2	0.2%
24	Spain	2	0.2%
25	New Zealand	2	0.2%
26	Bangladesh	2	0.2%
27	Brazil	1	0.1%
28	Kyrgyzstan	1	0.1%
29	Lithuania	1	0.1%
30	Palestine, State of	1	0.1%
31	Romania	1	0.1%
32	Russia	1	0.1%