Rank	Countries/Territories	Count	Percent
1	United States	279	31.2%
2	China	254	28.4%
3	Germany	83	9.3%
4	Russia	35	3.9%
5	Australia	33	3.7%
6	United Kingdom	28	3.1%
7	Ireland	27	3%
8	India	24	2.7%
9	Japan	16	1.8%
10	Singapore	15	1.7%
11	Netherlands	15	1.7%
12	Canada	14	1.6%
13	Lithuania	8	0.9%
14	Romania	6	0.7%
15	Denmark	6	0.7%
16	Cyprus	5	0.6%
17	Belgium	5	0.6%
18	France	4	0.4%
19	Iran, Islamic Republic of	4	0.4%
20	Portugal	4	0.4%
21	Hong Kong	3	0.3%
22	Serbia	3	0.3%
23	Korea, Republic of	3	0.3%
24	Italy	2	0.2%
25	Ghana	2	0.2%
26	Greece	2	0.2%
27	Argentina	2	0.2%
28	Nigeria	2	0.2%
29	Mauritius	2	0.2%
30	Mexico	2	0.2%
31	Mongolia	1	0.1%
32	Norway	1	0.1%
33	Sweden	1	0.1%
34	Switzerland	1	0.1%
35	Taiwan	1	0.1%
36	Ukraine	1	0.1%