Rank	Countries/Territories	Count	Percent
1	United States	509	45.7%
2	China	321	28.8%
3	Germany	54	4.9%
4	Japan	29	2.6%
5	Mexico	26	2.3%
6	Netherlands	21	1.9%
7	Canada	21	1.9%
8	India	16	1.4%
9	France	15	1.3%
10	Korea, Republic of	13	1.2%
11	Cyprus	9	0.8%
12	Sweden	9	0.8%
13	Russia	8	0.7%
14	Singapore	8	0.7%
15	Australia	8	0.7%
16	Italy	8	0.7%
17	Ukraine	6	0.5%
18	Turkey	4	0.4%
19	South Africa	4	0.4%
20	Portugal	3	0.3%
21	Ireland	3	0.3%
22	Latvia	2	0.2%
23	Belgium	2	0.2%
24	Romania	2	0.2%
25	Palestine, State of	2	0.2%
26	United Kingdom	2	0.2%
27	Thailand	1	0.1%
28	Norway	1	0.1%
29	Saudi Arabia	1	0.1%
30	Argentina	1	0.1%
31	Czech Republic	1	0.1%
32	Finland	1	0.1%
33	Mauritius	1	0.1%
34	Jordan	1	0.1%