Rank	Countries/Territories	Count	Percent
1	United States	637	45%
2	China	447	31.6%
3	Germany	125	8.8%
4	India	56	4%
5	Japan	28	2%
6		18	1.3%
7	Korea, Republic of	12	0.8%
8	Hong Kong	9	0.6%
9	Australia	8	0.6%
10	France	7	0.5%
11	United Kingdom	7	0.5%
12	Netherlands	7	0.5%
13	Spain	6	0.4%
14	Brazil	6	0.4%
15	Canada	6	0.4%
16	Kazakhstan	4	0.3%
17	Malaysia	3	0.2%
18	Cyprus	3	0.2%
19	Switzerland	3	0.2%
20	Taiwan	3	0.2%
21	Norway	3	0.2%
22	Singapore	3	0.2%
23	Peru	2	0.1%
24	Sweden	2	0.1%
25	Kenya	2	0.1%
26	Italy	2	0.1%
27	Iran, Islamic Republic of	1	0.1%
28	Iraq	1	0.1%
29	Argentina	1	0.1%
30	Ukraine	1	0.1%
31	Russia	1	0.1%