Rank	Countries/Territories	Count	Percent
1	United States	551	42.9%
2	China	340	26.5%
3	Germany	111	8.6%
4	France	61	4.7%
5		40	3.1%
6	Netherlands	22	1.7%
7	Canada	16	1.2%
8	Russia	15	1.2%
9	Sweden	14	1.1%
10	Norway	12	0.9%
11	Japan	10	0.8%
12	Australia	10	0.8%
13	Hong Kong	10	0.8%
14	Switzerland	9	0.7%
15	United Kingdom	8	0.6%
16	Cyprus	8	0.6%
17	Austria	6	0.5%
18	Argentina	6	0.5%
19	Latvia	6	0.5%
20	Italy	5	0.4%
21	Chile	4	0.3%
22	Bangladesh	3	0.2%
23	Ireland	3	0.2%
24	Singapore	3	0.2%
25	South Africa	2	0.2%
26	Malaysia	2	0.2%
27	India	2	0.2%
28	Iran, Islamic Republic of	2	0.2%
29	Brazil	2	0.2%
30	New Zealand	1	0.1%
31	Poland	1	0.1%