Rank	Countries/Territories	Count	Percent
1	United States	342	42.6%
2	China	269	33.5%
3	Germany	49	6.1%
4	Canada	17	2.1%
5	Netherlands	13	1.6%
6	Korea, Republic of	12	1.5%
7	Japan	9	1.1%
8	India	9	1.1%
9	United Kingdom	9	1.1%
10	Singapore	8	1%
11	Hong Kong	8	1%
12	Pakistan	7	0.9%
13	Ireland	6	0.7%
14	Cyprus	4	0.5%
15	South Africa	4	0.5%
16	Thailand	4	0.5%
17	Mexico	3	0.4%
18	France	3	0.4%
19	Greece	3	0.4%
20	Albania	3	0.4%
21	Iran, Islamic Republic of	2	0.2%
22	Latvia	2	0.2%
23	Moldova, Republic of	2	0.2%
24	New Zealand	2	0.2%
25	Saudi Arabia	2	0.2%
26	Taiwan	2	0.2%
27	Sweden	1	0.1%
28	Philippines	1	0.1%
29	Romania	1	0.1%
30	Malaysia	1	0.1%
31	Italy	1	0.1%
32	Argentina	1	0.1%
33	Australia	1	0.1%
34	Chile	1	0.1%