Rank	Countries/Territories	Count	Percent
1	United States	219	37.4%
2	China	135	23%
3	Germany	89	15.2%
4	Japan	27	4.6%
5	Australia	16	2.7%
6	France	15	2.6%
7	India	13	2.2%
8	Iran, Islamic Republic of	10	1.7%
9	Singapore	7	1.2%
10	Netherlands	6	1%
11	Nigeria	4	0.7%
12	Russia	4	0.7%
13	Thailand	4	0.7%
14	Hong Kong	4	0.7%
15	Cyprus	4	0.7%
16	Belgium	3	0.5%
17	Ireland	3	0.5%
18	Canada	2	0.3%
19	Ethiopia	2	0.3%
20	Austria	2	0.3%
21	Azerbaijan	2	0.3%
22	Bangladesh	2	0.3%
23	United Kingdom	2	0.3%
24	Spain	2	0.3%
25	Mexico	2	0.3%
26	Pakistan	1	0.2%
27	Romania	1	0.2%
28	New Zealand	1	0.2%
29	Korea, Republic of	1	0.2%
30	Taiwan	1	0.2%
31	Cambodia	1	0.2%
32	Italy	1	0.2%