Rank	Countries/Territories	Count	Percent
1	United States	258	35.8%
2	China	243	33.7%
3	Germany	50	6.9%
4	Japan	23	3.2%
5		21	2.9%
6	Russia	14	1.9%
7	Singapore	13	1.8%
8	India	12	1.7%
9	Cyprus	11	1.5%
10	France	11	1.5%
11	Canada	10	1.4%
12	Netherlands	6	0.8%
13	Australia	6	0.8%
14	Philippines	5	0.7%
15	South Africa	4	0.6%
16	United Kingdom	4	0.6%
17	Ireland	4	0.6%
18	Brazil	3	0.4%
19	Georgia	2	0.3%
20	Egypt	2	0.3%
21	Luxembourg	2	0.3%
22	Iraq	2	0.3%
23	Greece	2	0.3%
24	Slovakia	2	0.3%
25	Syrian Arab Republic	2	0.3%
26	Taiwan	2	0.3%
27	Ukraine	2	0.3%
28	Romania	2	0.3%
29	Serbia	1	0.1%
30	Italy	1	0.1%
31	Argentina	1	0.1%