Rank	Countries/Territories	Count	Percent
1	United States	490	42.1%
2	China	250	21.5%
3	Germany	152	13%
4	Japan	78	6.7%
5	India	58	5%
6	Russia	22	1.9%
7	Singapore	20	1.7%
8	Korea, Republic of	14	1.2%
9	Cyprus	10	0.9%
10	Netherlands	9	0.8%
11	Lithuania	7	0.6%
12	Ireland	6	0.5%
13	Hong Kong	5	0.4%
14	Canada	5	0.4%
15	Romania	4	0.3%
16	United Kingdom	3	0.3%
17	Slovakia	3	0.3%
18	Czech Republic	3	0.3%
19	France	3	0.3%
20	Cuba	3	0.3%
21	Indonesia	3	0.3%
22	Iraq	2	0.2%
23	Australia	2	0.2%
24	Bangladesh	2	0.2%
25	Spain	2	0.2%
26	Taiwan	2	0.2%
27	Thailand	1	0.1%
28	Norway	1	0.1%
29	Argentina	1	0.1%
30	Hungary	1	0.1%
31	Israel	1	0.1%
32	Italy	1	0.1%
33	Kazakhstan	1	0.1%